Home / 198,685,287.20-298,368,001.20-107,986,023.20

Finding the Fourth Proportional to 198,685,287.20, 298,368,001.20 and 107,986,023.20

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Solution

The fourth proportional to 198,685,287.20, 298,368,001.20 and 107,986,023.20 is: 162,163,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,685,287.20 : 298,368,001.20 = 107,986,023.20 : x
  2. Step 2: Convert to fraction form
    198,685,287.20/298,368,001.20 = 107,986,023.20/x
  3. Step 3: Cross multiply
    198,685,287.20x = 298,368,001.20 × 107,986,023.20
  4. Step 4: Simplify right side
    198,685,287.20x = 32,219,573,899,720,828
  5. Step 5: Solve for x
    x = 32,219,573,899,720,828/198,685,287.20
  6. Step 6: Final answer
    x = 162,163,864.04

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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.