Home / 100,057,116.60-149,861,726.10-82,141,212.60

Finding the Fourth Proportional to 100,057,116.60, 149,861,726.10 and 82,141,212.60

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Solution

The fourth proportional to 100,057,116.60, 149,861,726.10 and 82,141,212.60 is: 123,027,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,057,116.60 : 149,861,726.10 = 82,141,212.60 : x
  2. Step 2: Convert to fraction form
    100,057,116.60/149,861,726.10 = 82,141,212.60/x
  3. Step 3: Cross multiply
    100,057,116.60x = 149,861,726.10 × 82,141,212.60
  4. Step 4: Simplify right side
    100,057,116.60x = 12,309,823,904,183,068
  5. Step 5: Solve for x
    x = 12,309,823,904,183,068/100,057,116.60
  6. Step 6: Final answer
    x = 123,027,969.65

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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.