Home / 87,387,510.71-120,593,055.35-47,695,326.04

Finding the Fourth Proportional to 87,387,510.71, 120,593,055.35 and 47,695,326.04

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Solution

The fourth proportional to 87,387,510.71, 120,593,055.35 and 47,695,326.04 is: 65,818,616.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,387,510.71 : 120,593,055.35 = 47,695,326.04 : x
  2. Step 2: Convert to fraction form
    87,387,510.71/120,593,055.35 = 47,695,326.04/x
  3. Step 3: Cross multiply
    87,387,510.71x = 120,593,055.35 × 47,695,326.04
  4. Step 4: Simplify right side
    87,387,510.71x = 5,751,725,092,669,661
  5. Step 5: Solve for x
    x = 5,751,725,092,669,661/87,387,510.71
  6. Step 6: Final answer
    x = 65,818,616.94

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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.