Home / 99,329,665.11-137,087,990.57-56,959,805.46

Finding the Fourth Proportional to 99,329,665.11, 137,087,990.57 and 56,959,805.46

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Solution

The fourth proportional to 99,329,665.11, 137,087,990.57 and 56,959,805.46 is: 78,612,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,329,665.11 : 137,087,990.57 = 56,959,805.46 : x
  2. Step 2: Convert to fraction form
    99,329,665.11/137,087,990.57 = 56,959,805.46/x
  3. Step 3: Cross multiply
    99,329,665.11x = 137,087,990.57 × 56,959,805.46
  4. Step 4: Simplify right side
    99,329,665.11x = 7,808,505,273,227,676
  5. Step 5: Solve for x
    x = 7,808,505,273,227,676/99,329,665.11
  6. Step 6: Final answer
    x = 78,612,016.51

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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.