Home / 117,753,861.34-162,500,335.95-65,541,776.86

Finding the Fourth Proportional to 117,753,861.34, 162,500,335.95 and 65,541,776.86

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Solution

The fourth proportional to 117,753,861.34, 162,500,335.95 and 65,541,776.86 is: 90,447,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,861.34 : 162,500,335.95 = 65,541,776.86 : x
  2. Step 2: Convert to fraction form
    117,753,861.34/162,500,335.95 = 65,541,776.86/x
  3. Step 3: Cross multiply
    117,753,861.34x = 162,500,335.95 × 65,541,776.86
  4. Step 4: Simplify right side
    117,753,861.34x = 10,650,560,758,509,936
  5. Step 5: Solve for x
    x = 10,650,560,758,509,936/117,753,861.34
  6. Step 6: Final answer
    x = 90,447,656.13

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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.