Home / 65,957,287.20-98,935,930.80-49,588,904.40

Finding the Fourth Proportional to 65,957,287.20, 98,935,930.80 and 49,588,904.40

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Solution

The fourth proportional to 65,957,287.20, 98,935,930.80 and 49,588,904.40 is: 74,383,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,957,287.20 : 98,935,930.80 = 49,588,904.40 : x
  2. Step 2: Convert to fraction form
    65,957,287.20/98,935,930.80 = 49,588,904.40/x
  3. Step 3: Cross multiply
    65,957,287.20x = 98,935,930.80 × 49,588,904.40
  4. Step 4: Simplify right side
    65,957,287.20x = 4,906,124,414,166,215
  5. Step 5: Solve for x
    x = 4,906,124,414,166,215/65,957,287.20
  6. Step 6: Final answer
    x = 74,383,356.60

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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.