Home / 72,279,607.29-99,747,592.95-39,241,248.93

Finding the Fourth Proportional to 72,279,607.29, 99,747,592.95 and 39,241,248.93

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Solution

The fourth proportional to 72,279,607.29, 99,747,592.95 and 39,241,248.93 is: 54,153,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,279,607.29 : 99,747,592.95 = 39,241,248.93 : x
  2. Step 2: Convert to fraction form
    72,279,607.29/99,747,592.95 = 39,241,248.93/x
  3. Step 3: Cross multiply
    72,279,607.29x = 99,747,592.95 × 39,241,248.93
  4. Step 4: Simplify right side
    72,279,607.29x = 3,914,220,125,119,263
  5. Step 5: Solve for x
    x = 3,914,220,125,119,263/72,279,607.29
  6. Step 6: Final answer
    x = 54,153,865.41

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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.