Home / 69,139,275.96-95,416,027.20-38,198,780.94

Finding the Fourth Proportional to 69,139,275.96, 95,416,027.20 and 38,198,780.94

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Solution

The fourth proportional to 69,139,275.96, 95,416,027.20 and 38,198,780.94 is: 52,716,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,139,275.96 : 95,416,027.20 = 38,198,780.94 : x
  2. Step 2: Convert to fraction form
    69,139,275.96/95,416,027.20 = 38,198,780.94/x
  3. Step 3: Cross multiply
    69,139,275.96x = 95,416,027.20 × 38,198,780.94
  4. Step 4: Simplify right side
    69,139,275.96x = 3,644,775,921,177,881.50
  5. Step 5: Solve for x
    x = 3,644,775,921,177,881.50/69,139,275.96
  6. Step 6: Final answer
    x = 52,716,431.73

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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.