Home / 71,427,469.81-107,115,514.79-24,728,275.21

Finding the Fourth Proportional to 71,427,469.81, 107,115,514.79 and 24,728,275.21

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Solution

The fourth proportional to 71,427,469.81, 107,115,514.79 and 24,728,275.21 is: 37,083,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427,469.81 : 107,115,514.79 = 24,728,275.21 : x
  2. Step 2: Convert to fraction form
    71,427,469.81/107,115,514.79 = 24,728,275.21/x
  3. Step 3: Cross multiply
    71,427,469.81x = 107,115,514.79 × 24,728,275.21
  4. Step 4: Simplify right side
    71,427,469.81x = 2,648,781,928,596,515
  5. Step 5: Solve for x
    x = 2,648,781,928,596,515/71,427,469.81
  6. Step 6: Final answer
    x = 37,083,518.93

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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.