Home / 117,753,866.34-162,500,342.86-65,541,781.86

Finding the Fourth Proportional to 117,753,866.34, 162,500,342.86 and 65,541,781.86

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Solution

The fourth proportional to 117,753,866.34, 162,500,342.86 and 65,541,781.86 is: 90,447,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,866.34 : 162,500,342.86 = 65,541,781.86 : x
  2. Step 2: Convert to fraction form
    117,753,866.34/162,500,342.86 = 65,541,781.86/x
  3. Step 3: Cross multiply
    117,753,866.34x = 162,500,342.86 × 65,541,781.86
  4. Step 4: Simplify right side
    117,753,866.34x = 10,650,562,023,905,330
  5. Step 5: Solve for x
    x = 10,650,562,023,905,330/117,753,866.34
  6. Step 6: Final answer
    x = 90,447,663.04

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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.