Home / 99,222,839.52-136,896,744.24-57,939,951.84

Finding the Fourth Proportional to 99,222,839.52, 136,896,744.24 and 57,939,951.84

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Solution

The fourth proportional to 99,222,839.52, 136,896,744.24 and 57,939,951.84 is: 79,939,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,222,839.52 : 136,896,744.24 = 57,939,951.84 : x
  2. Step 2: Convert to fraction form
    99,222,839.52/136,896,744.24 = 57,939,951.84/x
  3. Step 3: Cross multiply
    99,222,839.52x = 136,896,744.24 × 57,939,951.84
  4. Step 4: Simplify right side
    99,222,839.52x = 7,931,790,768,318,398
  5. Step 5: Solve for x
    x = 7,931,790,768,318,398/99,222,839.52
  6. Step 6: Final answer
    x = 79,939,163.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.