Home / 163,545,262.52-225,692,463-89,205,819.22

Finding the Fourth Proportional to 163,545,262.52, 225,692,463 and 89,205,819.22

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Solution

The fourth proportional to 163,545,262.52, 225,692,463 and 89,205,819.22 is: 123,104,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,545,262.52 : 225,692,463 = 89,205,819.22 : x
  2. Step 2: Convert to fraction form
    163,545,262.52/225,692,463 = 89,205,819.22/x
  3. Step 3: Cross multiply
    163,545,262.52x = 225,692,463 × 89,205,819.22
  4. Step 4: Simplify right side
    163,545,262.52x = 20,133,081,053,694,540
  5. Step 5: Solve for x
    x = 20,133,081,053,694,540/163,545,262.52
  6. Step 6: Final answer
    x = 123,104,030.92

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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.