Home / 125,052,904.80-187,747,318.80-79,815,247.20

Finding the Fourth Proportional to 125,052,904.80, 187,747,318.80 and 79,815,247.20

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Solution

The fourth proportional to 125,052,904.80, 187,747,318.80 and 79,815,247.20 is: 119,830,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,052,904.80 : 187,747,318.80 = 79,815,247.20 : x
  2. Step 2: Convert to fraction form
    125,052,904.80/187,747,318.80 = 79,815,247.20/x
  3. Step 3: Cross multiply
    125,052,904.80x = 187,747,318.80 × 79,815,247.20
  4. Step 4: Simplify right side
    125,052,904.80x = 14,985,098,661,159,208
  5. Step 5: Solve for x
    x = 14,985,098,661,159,208/125,052,904.80
  6. Step 6: Final answer
    x = 119,830,072.60

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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.