Home / 124,526,507.60-186,789,761.40-117,472,120.40

Finding the Fourth Proportional to 124,526,507.60, 186,789,761.40 and 117,472,120.40

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Solution

The fourth proportional to 124,526,507.60, 186,789,761.40 and 117,472,120.40 is: 176,208,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,526,507.60 : 186,789,761.40 = 117,472,120.40 : x
  2. Step 2: Convert to fraction form
    124,526,507.60/186,789,761.40 = 117,472,120.40/x
  3. Step 3: Cross multiply
    124,526,507.60x = 186,789,761.40 × 117,472,120.40
  4. Step 4: Simplify right side
    124,526,507.60x = 21,942,589,340,668,076
  5. Step 5: Solve for x
    x = 21,942,589,340,668,076/124,526,507.60
  6. Step 6: Final answer
    x = 176,208,180.60

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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.