Home / 71,496,331.38-98,662,032.07-40,555,836.36

Finding the Fourth Proportional to 71,496,331.38, 98,662,032.07 and 40,555,836.36

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Solution

The fourth proportional to 71,496,331.38, 98,662,032.07 and 40,555,836.36 is: 55,965,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,496,331.38 : 98,662,032.07 = 40,555,836.36 : x
  2. Step 2: Convert to fraction form
    71,496,331.38/98,662,032.07 = 40,555,836.36/x
  3. Step 3: Cross multiply
    71,496,331.38x = 98,662,032.07 × 40,555,836.36
  4. Step 4: Simplify right side
    71,496,331.38x = 4,001,321,227,575,991.50
  5. Step 5: Solve for x
    x = 4,001,321,227,575,991.50/71,496,331.38
  6. Step 6: Final answer
    x = 55,965,406.20

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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.