Home / 52,290,838.38-78,445,834.22-21,568,658.39

Finding the Fourth Proportional to 52,290,838.38, 78,445,834.22 and 21,568,658.39

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Solution

The fourth proportional to 52,290,838.38, 78,445,834.22 and 21,568,658.39 is: 32,356,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290,838.38 : 78,445,834.22 = 21,568,658.39 : x
  2. Step 2: Convert to fraction form
    52,290,838.38/78,445,834.22 = 21,568,658.39/x
  3. Step 3: Cross multiply
    52,290,838.38x = 78,445,834.22 × 21,568,658.39
  4. Step 4: Simplify right side
    52,290,838.38x = 1,691,971,400,071,444.75
  5. Step 5: Solve for x
    x = 1,691,971,400,071,444.75/52,290,838.38
  6. Step 6: Final answer
    x = 32,356,937.71

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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.