Home / 72,259,162.03-99,717,753.18-39,219,423.22

Finding the Fourth Proportional to 72,259,162.03, 99,717,753.18 and 39,219,423.22

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Solution

The fourth proportional to 72,259,162.03, 99,717,753.18 and 39,219,423.22 is: 54,122,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,259,162.03 : 99,717,753.18 = 39,219,423.22 : x
  2. Step 2: Convert to fraction form
    72,259,162.03/99,717,753.18 = 39,219,423.22/x
  3. Step 3: Cross multiply
    72,259,162.03x = 99,717,753.18 × 39,219,423.22
  4. Step 4: Simplify right side
    72,259,162.03x = 3,910,872,764,513,921
  5. Step 5: Solve for x
    x = 3,910,872,764,513,921/72,259,162.03
  6. Step 6: Final answer
    x = 54,122,863.52

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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.