Home / 123,689,412.68-185,503,459.62-41,806,470.56

Finding the Fourth Proportional to 123,689,412.68, 185,503,459.62 and 41,806,470.56

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Solution

The fourth proportional to 123,689,412.68, 185,503,459.62 and 41,806,470.56 is: 62,699,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,689,412.68 : 185,503,459.62 = 41,806,470.56 : x
  2. Step 2: Convert to fraction form
    123,689,412.68/185,503,459.62 = 41,806,470.56/x
  3. Step 3: Cross multiply
    123,689,412.68x = 185,503,459.62 × 41,806,470.56
  4. Step 4: Simplify right side
    123,689,412.68x = 7,755,244,923,381,679
  5. Step 5: Solve for x
    x = 7,755,244,923,381,679/123,689,412.68
  6. Step 6: Final answer
    x = 62,699,343.10

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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.