Home / 99,976,644.88-137,912,229.03-58,156,002.25

Finding the Fourth Proportional to 99,976,644.88, 137,912,229.03 and 58,156,002.25

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Solution

The fourth proportional to 99,976,644.88, 137,912,229.03 and 58,156,002.25 is: 80,222,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,976,644.88 : 137,912,229.03 = 58,156,002.25 : x
  2. Step 2: Convert to fraction form
    99,976,644.88/137,912,229.03 = 58,156,002.25/x
  3. Step 3: Cross multiply
    99,976,644.88x = 137,912,229.03 × 58,156,002.25
  4. Step 4: Simplify right side
    99,976,644.88x = 8,020,423,901,771,195
  5. Step 5: Solve for x
    x = 8,020,423,901,771,195/99,976,644.88
  6. Step 6: Final answer
    x = 80,222,975.19

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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.