Home / 117,930,652.96-162,744,457.12-65,718,542.88

Finding the Fourth Proportional to 117,930,652.96, 162,744,457.12 and 65,718,542.88

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Solution

The fourth proportional to 117,930,652.96, 162,744,457.12 and 65,718,542.88 is: 90,691,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,930,652.96 : 162,744,457.12 = 65,718,542.88 : x
  2. Step 2: Convert to fraction form
    117,930,652.96/162,744,457.12 = 65,718,542.88/x
  3. Step 3: Cross multiply
    117,930,652.96x = 162,744,457.12 × 65,718,542.88
  4. Step 4: Simplify right side
    117,930,652.96x = 10,695,328,583,723,042
  5. Step 5: Solve for x
    x = 10,695,328,583,723,042/117,930,652.96
  6. Step 6: Final answer
    x = 90,691,676.13

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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.