Home / 87,950,996.16-121,321,948.19-54,853,784.50

Finding the Fourth Proportional to 87,950,996.16, 121,321,948.19 and 54,853,784.50

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Solution

The fourth proportional to 87,950,996.16, 121,321,948.19 and 54,853,784.50 is: 75,666,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950,996.16 : 121,321,948.19 = 54,853,784.50 : x
  2. Step 2: Convert to fraction form
    87,950,996.16/121,321,948.19 = 54,853,784.50/x
  3. Step 3: Cross multiply
    87,950,996.16x = 121,321,948.19 × 54,853,784.50
  4. Step 4: Simplify right side
    87,950,996.16x = 6,654,968,001,134,425
  5. Step 5: Solve for x
    x = 6,654,968,001,134,425/87,950,996.16
  6. Step 6: Final answer
    x = 75,666,772.31

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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.