Home / 83,053,140.90-124,567,901.55-28,468,245.30

Finding the Fourth Proportional to 83,053,140.90, 124,567,901.55 and 28,468,245.30

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Solution

The fourth proportional to 83,053,140.90, 124,567,901.55 and 28,468,245.30 is: 42,698,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,053,140.90 : 124,567,901.55 = 28,468,245.30 : x
  2. Step 2: Convert to fraction form
    83,053,140.90/124,567,901.55 = 28,468,245.30/x
  3. Step 3: Cross multiply
    83,053,140.90x = 124,567,901.55 × 28,468,245.30
  4. Step 4: Simplify right side
    83,053,140.90x = 3,546,229,577,831,650
  5. Step 5: Solve for x
    x = 3,546,229,577,831,650/83,053,140.90
  6. Step 6: Final answer
    x = 42,698,319.89

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