Home / 117,632,549.40-176,616,785.70-66,614,213.40

Finding the Fourth Proportional to 117,632,549.40, 176,616,785.70 and 66,614,213.40

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Solution

The fourth proportional to 117,632,549.40, 176,616,785.70 and 66,614,213.40 is: 100,016,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,632,549.40 : 176,616,785.70 = 66,614,213.40 : x
  2. Step 2: Convert to fraction form
    117,632,549.40/176,616,785.70 = 66,614,213.40/x
  3. Step 3: Cross multiply
    117,632,549.40x = 176,616,785.70 × 66,614,213.40
  4. Step 4: Simplify right side
    117,632,549.40x = 11,765,188,252,641,868
  5. Step 5: Solve for x
    x = 11,765,188,252,641,868/117,632,549.40
  6. Step 6: Final answer
    x = 100,016,435.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.