Home / 72,897,046.94-100,597,934.21-39,857,318.87

Finding the Fourth Proportional to 72,897,046.94, 100,597,934.21 and 39,857,318.87

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Solution

The fourth proportional to 72,897,046.94, 100,597,934.21 and 39,857,318.87 is: 55,003,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,897,046.94 : 100,597,934.21 = 39,857,318.87 : x
  2. Step 2: Convert to fraction form
    72,897,046.94/100,597,934.21 = 39,857,318.87/x
  3. Step 3: Cross multiply
    72,897,046.94x = 100,597,934.21 × 39,857,318.87
  4. Step 4: Simplify right side
    72,897,046.94x = 4,009,563,940,768,975.50
  5. Step 5: Solve for x
    x = 4,009,563,940,768,975.50/72,897,046.94
  6. Step 6: Final answer
    x = 55,003,105.19

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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.