Home / 72,229,403.73-99,675,320-43,961,558.59

Finding the Fourth Proportional to 72,229,403.73, 99,675,320 and 43,961,558.59

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Solution

The fourth proportional to 72,229,403.73, 99,675,320 and 43,961,558.59 is: 60,666,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,229,403.73 : 99,675,320 = 43,961,558.59 : x
  2. Step 2: Convert to fraction form
    72,229,403.73/99,675,320 = 43,961,558.59/x
  3. Step 3: Cross multiply
    72,229,403.73x = 99,675,320 × 43,961,558.59
  4. Step 4: Simplify right side
    72,229,403.73x = 4,381,882,420,156,999
  5. Step 5: Solve for x
    x = 4,381,882,420,156,999/72,229,403.73
  6. Step 6: Final answer
    x = 60,666,185.71

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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.