Home / 113,279,785.64-156,338,191.50-66,251,237.48

Finding the Fourth Proportional to 113,279,785.64, 156,338,191.50 and 66,251,237.48

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Solution

The fourth proportional to 113,279,785.64, 156,338,191.50 and 66,251,237.48 is: 91,433,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,279,785.64 : 156,338,191.50 = 66,251,237.48 : x
  2. Step 2: Convert to fraction form
    113,279,785.64/156,338,191.50 = 66,251,237.48/x
  3. Step 3: Cross multiply
    113,279,785.64x = 156,338,191.50 × 66,251,237.48
  4. Step 4: Simplify right side
    113,279,785.64x = 10,357,598,652,260,216
  5. Step 5: Solve for x
    x = 10,357,598,652,260,216/113,279,785.64
  6. Step 6: Final answer
    x = 91,433,776.94

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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.