Home / 117,753,865.34-162,500,341.48-65,541,780.86

Finding the Fourth Proportional to 117,753,865.34, 162,500,341.48 and 65,541,780.86

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Solution

The fourth proportional to 117,753,865.34, 162,500,341.48 and 65,541,780.86 is: 90,447,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,865.34 : 162,500,341.48 = 65,541,780.86 : x
  2. Step 2: Convert to fraction form
    117,753,865.34/162,500,341.48 = 65,541,780.86/x
  3. Step 3: Cross multiply
    117,753,865.34x = 162,500,341.48 × 65,541,780.86
  4. Step 4: Simplify right side
    117,753,865.34x = 10,650,561,770,957,328
  5. Step 5: Solve for x
    x = 10,650,561,770,957,328/117,753,865.34
  6. Step 6: Final answer
    x = 90,447,661.66

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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.