Home / 99,081,158.78-136,723,998.84-57,267,932.75

Finding the Fourth Proportional to 99,081,158.78, 136,723,998.84 and 57,267,932.75

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Solution

The fourth proportional to 99,081,158.78, 136,723,998.84 and 57,267,932.75 is: 79,025,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,081,158.78 : 136,723,998.84 = 57,267,932.75 : x
  2. Step 2: Convert to fraction form
    99,081,158.78/136,723,998.84 = 57,267,932.75/x
  3. Step 3: Cross multiply
    99,081,158.78x = 136,723,998.84 × 57,267,932.75
  4. Step 4: Simplify right side
    99,081,158.78x = 7,829,900,770,880,198
  5. Step 5: Solve for x
    x = 7,829,900,770,880,198/99,081,158.78
  6. Step 6: Final answer
    x = 79,025,123.11

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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.