Home / 117,244,178.38-161,816,371.50-65,050,029.19

Finding the Fourth Proportional to 117,244,178.38, 161,816,371.50 and 65,050,029.19

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Solution

The fourth proportional to 117,244,178.38, 161,816,371.50 and 65,050,029.19 is: 89,779,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,244,178.38 : 161,816,371.50 = 65,050,029.19 : x
  2. Step 2: Convert to fraction form
    117,244,178.38/161,816,371.50 = 65,050,029.19/x
  3. Step 3: Cross multiply
    117,244,178.38x = 161,816,371.50 × 65,050,029.19
  4. Step 4: Simplify right side
    117,244,178.38x = 10,526,159,689,494,884
  5. Step 5: Solve for x
    x = 10,526,159,689,494,884/117,244,178.38
  6. Step 6: Final answer
    x = 89,779,806.85

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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.