Home / 215,347,034.76-297,177,396.31-117,561,890.76

Finding the Fourth Proportional to 215,347,034.76, 297,177,396.31 and 117,561,890.76

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Solution

The fourth proportional to 215,347,034.76, 297,177,396.31 and 117,561,890.76 is: 162,234,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,347,034.76 : 297,177,396.31 = 117,561,890.76 : x
  2. Step 2: Convert to fraction form
    215,347,034.76/297,177,396.31 = 117,561,890.76/x
  3. Step 3: Cross multiply
    215,347,034.76x = 297,177,396.31 × 117,561,890.76
  4. Step 4: Simplify right side
    215,347,034.76x = 34,936,736,601,337,448
  5. Step 5: Solve for x
    x = 34,936,736,601,337,448/215,347,034.76
  6. Step 6: Final answer
    x = 162,234,584.01

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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.