Home / 103,506,070,234.80-155,259,105,352.20-99,442,743,207.60

Finding the Fourth Proportional to 103,506,070,234.80, 155,259,105,352.20 and 99,442,743,207.60

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Solution

The fourth proportional to 103,506,070,234.80, 155,259,105,352.20 and 99,442,743,207.60 is: 149,164,114,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,506,070,234.80 : 155,259,105,352.20 = 99,442,743,207.60 : x
  2. Step 2: Convert to fraction form
    103,506,070,234.80/155,259,105,352.20 = 99,442,743,207.60/x
  3. Step 3: Cross multiply
    103,506,070,234.80x = 155,259,105,352.20 × 99,442,743,207.60
  4. Step 4: Simplify right side
    103,506,070,234.80x = 15,439,391,344,180,542,308,352
  5. Step 5: Solve for x
    x = 15,439,391,344,180,542,308,352/103,506,070,234.80
  6. Step 6: Final answer
    x = 149,164,114,811.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.