Home / 257,472,419.10-386,208,628.65-63,382,292.70

Finding the Fourth Proportional to 257,472,419.10, 386,208,628.65 and 63,382,292.70

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Solution

The fourth proportional to 257,472,419.10, 386,208,628.65 and 63,382,292.70 is: 95,073,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,472,419.10 : 386,208,628.65 = 63,382,292.70 : x
  2. Step 2: Convert to fraction form
    257,472,419.10/386,208,628.65 = 63,382,292.70/x
  3. Step 3: Cross multiply
    257,472,419.10x = 386,208,628.65 × 63,382,292.70
  4. Step 4: Simplify right side
    257,472,419.10x = 24,478,788,344,359,904
  5. Step 5: Solve for x
    x = 24,478,788,344,359,904/257,472,419.10
  6. Step 6: Final answer
    x = 95,073,439.05

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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.