Home / 117,534,470.60-176,301,705.90-85,285,843.40

Finding the Fourth Proportional to 117,534,470.60, 176,301,705.90 and 85,285,843.40

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Solution

The fourth proportional to 117,534,470.60, 176,301,705.90 and 85,285,843.40 is: 127,928,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,534,470.60 : 176,301,705.90 = 85,285,843.40 : x
  2. Step 2: Convert to fraction form
    117,534,470.60/176,301,705.90 = 85,285,843.40/x
  3. Step 3: Cross multiply
    117,534,470.60x = 176,301,705.90 × 85,285,843.40
  4. Step 4: Simplify right side
    117,534,470.60x = 15,036,039,680,540,258
  5. Step 5: Solve for x
    x = 15,036,039,680,540,258/117,534,470.60
  6. Step 6: Final answer
    x = 127,928,765.10

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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.