Home / 72,407,892.30-108,611,838.45-56,283,578.70

Finding the Fourth Proportional to 72,407,892.30, 108,611,838.45 and 56,283,578.70

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Solution

The fourth proportional to 72,407,892.30, 108,611,838.45 and 56,283,578.70 is: 84,425,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,407,892.30 : 108,611,838.45 = 56,283,578.70 : x
  2. Step 2: Convert to fraction form
    72,407,892.30/108,611,838.45 = 56,283,578.70/x
  3. Step 3: Cross multiply
    72,407,892.30x = 108,611,838.45 × 56,283,578.70
  4. Step 4: Simplify right side
    72,407,892.30x = 6,113,062,957,152,262
  5. Step 5: Solve for x
    x = 6,113,062,957,152,262/72,407,892.30
  6. Step 6: Final answer
    x = 84,425,368.05

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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.