Home / 66,429,342.45-99,644,013.68-52,992,414.45

Finding the Fourth Proportional to 66,429,342.45, 99,644,013.68 and 52,992,414.45

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Solution

The fourth proportional to 66,429,342.45, 99,644,013.68 and 52,992,414.45 is: 79,488,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,342.45 : 99,644,013.68 = 52,992,414.45 : x
  2. Step 2: Convert to fraction form
    66,429,342.45/99,644,013.68 = 52,992,414.45/x
  3. Step 3: Cross multiply
    66,429,342.45x = 99,644,013.68 × 52,992,414.45
  4. Step 4: Simplify right side
    66,429,342.45x = 5,280,376,870,127,068
  5. Step 5: Solve for x
    x = 5,280,376,870,127,068/66,429,342.45
  6. Step 6: Final answer
    x = 79,488,621.68

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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.