Home / 257,472,003.60-386,208,005.40-63,381,877.20

Finding the Fourth Proportional to 257,472,003.60, 386,208,005.40 and 63,381,877.20

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Solution

The fourth proportional to 257,472,003.60, 386,208,005.40 and 63,381,877.20 is: 95,072,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,472,003.60 : 386,208,005.40 = 63,381,877.20 : x
  2. Step 2: Convert to fraction form
    257,472,003.60/386,208,005.40 = 63,381,877.20/x
  3. Step 3: Cross multiply
    257,472,003.60x = 386,208,005.40 × 63,381,877.20
  4. Step 4: Simplify right side
    257,472,003.60x = 24,478,588,371,919,736
  5. Step 5: Solve for x
    x = 24,478,588,371,919,736/257,472,003.60
  6. Step 6: Final answer
    x = 95,072,815.80

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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.