Home / 45,427,712.70-68,141,569.05-27,287,859.90

Finding the Fourth Proportional to 45,427,712.70, 68,141,569.05 and 27,287,859.90

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Solution

The fourth proportional to 45,427,712.70, 68,141,569.05 and 27,287,859.90 is: 40,931,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,427,712.70 : 68,141,569.05 = 27,287,859.90 : x
  2. Step 2: Convert to fraction form
    45,427,712.70/68,141,569.05 = 27,287,859.90/x
  3. Step 3: Cross multiply
    45,427,712.70x = 68,141,569.05 × 27,287,859.90
  4. Step 4: Simplify right side
    45,427,712.70x = 1,859,437,589,602,576
  5. Step 5: Solve for x
    x = 1,859,437,589,602,576/45,427,712.70
  6. Step 6: Final answer
    x = 40,931,789.85

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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.