Home / 90,420,030.16-124,764,516.52-53,257,710.15

Finding the Fourth Proportional to 90,420,030.16, 124,764,516.52 and 53,257,710.15

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Solution

The fourth proportional to 90,420,030.16, 124,764,516.52 and 53,257,710.15 is: 73,486,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,420,030.16 : 124,764,516.52 = 53,257,710.15 : x
  2. Step 2: Convert to fraction form
    90,420,030.16/124,764,516.52 = 53,257,710.15/x
  3. Step 3: Cross multiply
    90,420,030.16x = 124,764,516.52 × 53,257,710.15
  4. Step 4: Simplify right side
    90,420,030.16x = 6,644,672,457,693,902
  5. Step 5: Solve for x
    x = 6,644,672,457,693,902/90,420,030.16
  6. Step 6: Final answer
    x = 73,486,731.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.