Home / 108,827,711.76-150,188,559.57-81,956,948.61

Finding the Fourth Proportional to 108,827,711.76, 150,188,559.57 and 81,956,948.61

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Solution

The fourth proportional to 108,827,711.76, 150,188,559.57 and 81,956,948.61 is: 113,105,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,827,711.76 : 150,188,559.57 = 81,956,948.61 : x
  2. Step 2: Convert to fraction form
    108,827,711.76/150,188,559.57 = 81,956,948.61/x
  3. Step 3: Cross multiply
    108,827,711.76x = 150,188,559.57 × 81,956,948.61
  4. Step 4: Simplify right side
    108,827,711.76x = 12,308,996,058,488,414
  5. Step 5: Solve for x
    x = 12,308,996,058,488,414/108,827,711.76
  6. Step 6: Final answer
    x = 113,105,346.60

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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.