Home / 123,329,938.45-185,006,279.39-40,332,121.42

Finding the Fourth Proportional to 123,329,938.45, 185,006,279.39 and 40,332,121.42

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Solution

The fourth proportional to 123,329,938.45, 185,006,279.39 and 40,332,121.42 is: 60,501,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,329,938.45 : 185,006,279.39 = 40,332,121.42 : x
  2. Step 2: Convert to fraction form
    123,329,938.45/185,006,279.39 = 40,332,121.42/x
  3. Step 3: Cross multiply
    123,329,938.45x = 185,006,279.39 × 40,332,121.42
  4. Step 4: Simplify right side
    123,329,938.45x = 7,461,695,723,618,263
  5. Step 5: Solve for x
    x = 7,461,695,723,618,263/123,329,938.45
  6. Step 6: Final answer
    x = 60,501,900.98

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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.