Home / 72,582,001.20-108,873,001.80-36,302,295.60

Finding the Fourth Proportional to 72,582,001.20, 108,873,001.80 and 36,302,295.60

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Solution

The fourth proportional to 72,582,001.20, 108,873,001.80 and 36,302,295.60 is: 54,453,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,001.20 : 108,873,001.80 = 36,302,295.60 : x
  2. Step 2: Convert to fraction form
    72,582,001.20/108,873,001.80 = 36,302,295.60/x
  3. Step 3: Cross multiply
    72,582,001.20x = 108,873,001.80 × 36,302,295.60
  4. Step 4: Simplify right side
    72,582,001.20x = 3,952,339,894,202,932
  5. Step 5: Solve for x
    x = 3,952,339,894,202,932/72,582,001.20
  6. Step 6: Final answer
    x = 54,453,443.40

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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.