Home / 103,486,397.20-155,229,595.80-98,447,549.20

Finding the Fourth Proportional to 103,486,397.20, 155,229,595.80 and 98,447,549.20

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Solution

The fourth proportional to 103,486,397.20, 155,229,595.80 and 98,447,549.20 is: 147,671,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486,397.20 : 155,229,595.80 = 98,447,549.20 : x
  2. Step 2: Convert to fraction form
    103,486,397.20/155,229,595.80 = 98,447,549.20/x
  3. Step 3: Cross multiply
    103,486,397.20x = 155,229,595.80 × 98,447,549.20
  4. Step 4: Simplify right side
    103,486,397.20x = 15,281,973,269,816,614
  5. Step 5: Solve for x
    x = 15,281,973,269,816,614/103,486,397.20
  6. Step 6: Final answer
    x = 147,671,323.80

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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.