Home / 159,406,859.20-219,974,668.95-88,838,714.38

Finding the Fourth Proportional to 159,406,859.20, 219,974,668.95 and 88,838,714.38

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Solution

The fourth proportional to 159,406,859.20, 219,974,668.95 and 88,838,714.38 is: 122,593,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,406,859.20 : 219,974,668.95 = 88,838,714.38 : x
  2. Step 2: Convert to fraction form
    159,406,859.20/219,974,668.95 = 88,838,714.38/x
  3. Step 3: Cross multiply
    159,406,859.20x = 219,974,668.95 × 88,838,714.38
  4. Step 4: Simplify right side
    159,406,859.20x = 19,542,266,785,684,104
  5. Step 5: Solve for x
    x = 19,542,266,785,684,104/159,406,859.20
  6. Step 6: Final answer
    x = 122,593,637.96

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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.