Home / 117,799,771.21-162,581,357.78-89,495,568

Finding the Fourth Proportional to 117,799,771.21, 162,581,357.78 and 89,495,568

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Solution

The fourth proportional to 117,799,771.21, 162,581,357.78 and 89,495,568 is: 123,517,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,799,771.21 : 162,581,357.78 = 89,495,568 : x
  2. Step 2: Convert to fraction form
    117,799,771.21/162,581,357.78 = 89,495,568/x
  3. Step 3: Cross multiply
    117,799,771.21x = 162,581,357.78 × 89,495,568
  4. Step 4: Simplify right side
    117,799,771.21x = 14,550,310,960,732,320
  5. Step 5: Solve for x
    x = 14,550,310,960,732,320/117,799,771.21
  6. Step 6: Final answer
    x = 123,517,310.87

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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.