Home / 80,930,761.29-111,684,371.40-43,760,952.77

Finding the Fourth Proportional to 80,930,761.29, 111,684,371.40 and 43,760,952.77

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Solution

The fourth proportional to 80,930,761.29, 111,684,371.40 and 43,760,952.77 is: 60,390,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,761.29 : 111,684,371.40 = 43,760,952.77 : x
  2. Step 2: Convert to fraction form
    80,930,761.29/111,684,371.40 = 43,760,952.77/x
  3. Step 3: Cross multiply
    80,930,761.29x = 111,684,371.40 × 43,760,952.77
  4. Step 4: Simplify right side
    80,930,761.29x = 4,887,414,501,424,117
  5. Step 5: Solve for x
    x = 4,887,414,501,424,117/80,930,761.29
  6. Step 6: Final answer
    x = 60,390,072.00

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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.