Home / 72,307,906.38-99,815,447.97-48,818,264.76

Finding the Fourth Proportional to 72,307,906.38, 99,815,447.97 and 48,818,264.76

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Solution

The fourth proportional to 72,307,906.38, 99,815,447.97 and 48,818,264.76 is: 67,389,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,307,906.38 : 99,815,447.97 = 48,818,264.76 : x
  2. Step 2: Convert to fraction form
    72,307,906.38/99,815,447.97 = 48,818,264.76/x
  3. Step 3: Cross multiply
    72,307,906.38x = 99,815,447.97 × 48,818,264.76
  4. Step 4: Simplify right side
    72,307,906.38x = 4,872,816,966,137,464
  5. Step 5: Solve for x
    x = 4,872,816,966,137,464/72,307,906.38
  6. Step 6: Final answer
    x = 67,389,822.36

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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.