Home / 457,965,892.20-686,712,447.90-134,807,773.80

Finding the Fourth Proportional to 457,965,892.20, 686,712,447.90 and 134,807,773.80

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Solution

The fourth proportional to 457,965,892.20, 686,712,447.90 and 134,807,773.80 is: 202,142,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,965,892.20 : 686,712,447.90 = 134,807,773.80 : x
  2. Step 2: Convert to fraction form
    457,965,892.20/686,712,447.90 = 134,807,773.80/x
  3. Step 3: Cross multiply
    457,965,892.20x = 686,712,447.90 × 134,807,773.80
  4. Step 4: Simplify right side
    457,965,892.20x = 92,574,176,342,147,488
  5. Step 5: Solve for x
    x = 92,574,176,342,147,488/457,965,892.20
  6. Step 6: Final answer
    x = 202,142,076.34

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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.