Home / 160,044,538.66-220,861,687.45-86,705,680.66

Finding the Fourth Proportional to 160,044,538.66, 220,861,687.45 and 86,705,680.66

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Solution

The fourth proportional to 160,044,538.66, 220,861,687.45 and 86,705,680.66 is: 119,653,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,044,538.66 : 220,861,687.45 = 86,705,680.66 : x
  2. Step 2: Convert to fraction form
    160,044,538.66/220,861,687.45 = 86,705,680.66/x
  3. Step 3: Cross multiply
    160,044,538.66x = 220,861,687.45 × 86,705,680.66
  4. Step 4: Simplify right side
    160,044,538.66x = 19,149,962,940,964,120
  5. Step 5: Solve for x
    x = 19,149,962,940,964,120/160,044,538.66
  6. Step 6: Final answer
    x = 119,653,960.72

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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.