Home / 54,315,102.90-81,472,654.35-31,356,851.70

Finding the Fourth Proportional to 54,315,102.90, 81,472,654.35 and 31,356,851.70

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Solution

The fourth proportional to 54,315,102.90, 81,472,654.35 and 31,356,851.70 is: 47,035,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315,102.90 : 81,472,654.35 = 31,356,851.70 : x
  2. Step 2: Convert to fraction form
    54,315,102.90/81,472,654.35 = 31,356,851.70/x
  3. Step 3: Cross multiply
    54,315,102.90x = 81,472,654.35 × 31,356,851.70
  4. Step 4: Simplify right side
    54,315,102.90x = 2,554,725,940,058,309.50
  5. Step 5: Solve for x
    x = 2,554,725,940,058,309.50/54,315,102.90
  6. Step 6: Final answer
    x = 47,035,277.55

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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.