Home / 148,584,652.62-222,876,681.93-39,420,765.78

Finding the Fourth Proportional to 148,584,652.62, 222,876,681.93 and 39,420,765.78

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Solution

The fourth proportional to 148,584,652.62, 222,876,681.93 and 39,420,765.78 is: 59,131,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,584,652.62 : 222,876,681.93 = 39,420,765.78 : x
  2. Step 2: Convert to fraction form
    148,584,652.62/222,876,681.93 = 39,420,765.78/x
  3. Step 3: Cross multiply
    148,584,652.62x = 222,876,681.93 × 39,420,765.78
  4. Step 4: Simplify right side
    148,584,652.62x = 8,785,969,476,186,089
  5. Step 5: Solve for x
    x = 8,785,969,476,186,089/148,584,652.62
  6. Step 6: Final answer
    x = 59,131,069.87

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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.