Home / 53,640,617.16-80,472,920.10-19,561,963.08

Finding the Fourth Proportional to 53,640,617.16, 80,472,920.10 and 19,561,963.08

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Solution

The fourth proportional to 53,640,617.16, 80,472,920.10 and 19,561,963.08 is: 29,347,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640,617.16 : 80,472,920.10 = 19,561,963.08 : x
  2. Step 2: Convert to fraction form
    53,640,617.16/80,472,920.10 = 19,561,963.08/x
  3. Step 3: Cross multiply
    53,640,617.16x = 80,472,920.10 × 19,561,963.08
  4. Step 4: Simplify right side
    53,640,617.16x = 1,574,208,291,935,989.75
  5. Step 5: Solve for x
    x = 1,574,208,291,935,989.75/53,640,617.16
  6. Step 6: Final answer
    x = 29,347,318.79

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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.