Home / 72,461,487.35-108,654,997.35-21,336,863.15

Finding the Fourth Proportional to 72,461,487.35, 108,654,997.35 and 21,336,863.15

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Solution

The fourth proportional to 72,461,487.35, 108,654,997.35 and 21,336,863.15 is: 31,994,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,461,487.35 : 108,654,997.35 = 21,336,863.15 : x
  2. Step 2: Convert to fraction form
    72,461,487.35/108,654,997.35 = 21,336,863.15/x
  3. Step 3: Cross multiply
    72,461,487.35x = 108,654,997.35 × 21,336,863.15
  4. Step 4: Simplify right side
    72,461,487.35x = 2,318,356,809,020,562.50
  5. Step 5: Solve for x
    x = 2,318,356,809,020,562.50/72,461,487.35
  6. Step 6: Final answer
    x = 31,994,330.97

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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.