Home / 117,534,469.60-176,301,704.40-85,285,842.40

Finding the Fourth Proportional to 117,534,469.60, 176,301,704.40 and 85,285,842.40

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Solution

The fourth proportional to 117,534,469.60, 176,301,704.40 and 85,285,842.40 is: 127,928,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,534,469.60 : 176,301,704.40 = 85,285,842.40 : x
  2. Step 2: Convert to fraction form
    117,534,469.60/176,301,704.40 = 85,285,842.40/x
  3. Step 3: Cross multiply
    117,534,469.60x = 176,301,704.40 × 85,285,842.40
  4. Step 4: Simplify right side
    117,534,469.60x = 15,036,039,376,309,788
  5. Step 5: Solve for x
    x = 15,036,039,376,309,788/117,534,469.60
  6. Step 6: Final answer
    x = 127,928,763.60

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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.