Home / 103,506,070,228.80-155,259,105,343.20-99,442,743,201.60

Finding the Fourth Proportional to 103,506,070,228.80, 155,259,105,343.20 and 99,442,743,201.60

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Solution

The fourth proportional to 103,506,070,228.80, 155,259,105,343.20 and 99,442,743,201.60 is: 149,164,114,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,506,070,228.80 : 155,259,105,343.20 = 99,442,743,201.60 : x
  2. Step 2: Convert to fraction form
    103,506,070,228.80/155,259,105,343.20 = 99,442,743,201.60/x
  3. Step 3: Cross multiply
    103,506,070,228.80x = 155,259,105,343.20 × 99,442,743,201.60
  4. Step 4: Simplify right side
    103,506,070,228.80x = 15,439,391,342,354,002,608,128
  5. Step 5: Solve for x
    x = 15,439,391,342,354,002,608,128/103,506,070,228.80
  6. Step 6: Final answer
    x = 149,164,114,802.40

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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.