Home / 86,216,551.61-129,381,945.89-47,382,123.83

Finding the Fourth Proportional to 86,216,551.61, 129,381,945.89 and 47,382,123.83

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Solution

The fourth proportional to 86,216,551.61, 129,381,945.89 and 47,382,123.83 is: 71,104,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,216,551.61 : 129,381,945.89 = 47,382,123.83 : x
  2. Step 2: Convert to fraction form
    86,216,551.61/129,381,945.89 = 47,382,123.83/x
  3. Step 3: Cross multiply
    86,216,551.61x = 129,381,945.89 × 47,382,123.83
  4. Step 4: Simplify right side
    86,216,551.61x = 6,130,391,381,612,884
  5. Step 5: Solve for x
    x = 6,130,391,381,612,884/86,216,551.61
  6. Step 6: Final answer
    x = 71,104,576.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.