Home / 71,005,986.30-106,508,979.45-58,240,904.70

Finding the Fourth Proportional to 71,005,986.30, 106,508,979.45 and 58,240,904.70

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Solution

The fourth proportional to 71,005,986.30, 106,508,979.45 and 58,240,904.70 is: 87,361,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,005,986.30 : 106,508,979.45 = 58,240,904.70 : x
  2. Step 2: Convert to fraction form
    71,005,986.30/106,508,979.45 = 58,240,904.70/x
  3. Step 3: Cross multiply
    71,005,986.30x = 106,508,979.45 × 58,240,904.70
  4. Step 4: Simplify right side
    71,005,986.30x = 6,203,179,321,841,709
  5. Step 5: Solve for x
    x = 6,203,179,321,841,709/71,005,986.30
  6. Step 6: Final answer
    x = 87,361,357.05

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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.