Home / 98,016,053.70-147,024,080.55-93,313,128.90

Finding the Fourth Proportional to 98,016,053.70, 147,024,080.55 and 93,313,128.90

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Solution

The fourth proportional to 98,016,053.70, 147,024,080.55 and 93,313,128.90 is: 139,969,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,016,053.70 : 147,024,080.55 = 93,313,128.90 : x
  2. Step 2: Convert to fraction form
    98,016,053.70/147,024,080.55 = 93,313,128.90/x
  3. Step 3: Cross multiply
    98,016,053.70x = 147,024,080.55 × 93,313,128.90
  4. Step 4: Simplify right side
    98,016,053.70x = 13,719,276,979,766,134
  5. Step 5: Solve for x
    x = 13,719,276,979,766,134/98,016,053.70
  6. Step 6: Final answer
    x = 139,969,693.35

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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.