Home / 115,745,439.12-159,728,880.97-62,822,165.79

Finding the Fourth Proportional to 115,745,439.12, 159,728,880.97 and 62,822,165.79

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Solution

The fourth proportional to 115,745,439.12, 159,728,880.97 and 62,822,165.79 is: 86,694,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,745,439.12 : 159,728,880.97 = 62,822,165.79 : x
  2. Step 2: Convert to fraction form
    115,745,439.12/159,728,880.97 = 62,822,165.79/x
  3. Step 3: Cross multiply
    115,745,439.12x = 159,728,880.97 × 62,822,165.79
  4. Step 4: Simplify right side
    115,745,439.12x = 10,034,514,241,748,516
  5. Step 5: Solve for x
    x = 10,034,514,241,748,516/115,745,439.12
  6. Step 6: Final answer
    x = 86,694,683.76

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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.