Home / 221,079,077.60-331,618,616.40-199,555,717.10

Finding the Fourth Proportional to 221,079,077.60, 331,618,616.40 and 199,555,717.10

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Solution

The fourth proportional to 221,079,077.60, 331,618,616.40 and 199,555,717.10 is: 299,333,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,079,077.60 : 331,618,616.40 = 199,555,717.10 : x
  2. Step 2: Convert to fraction form
    221,079,077.60/331,618,616.40 = 199,555,717.10/x
  3. Step 3: Cross multiply
    221,079,077.60x = 331,618,616.40 × 199,555,717.10
  4. Step 4: Simplify right side
    221,079,077.60x = 66,176,390,799,411,816
  5. Step 5: Solve for x
    x = 66,176,390,799,411,816/221,079,077.60
  6. Step 6: Final answer
    x = 299,333,575.65

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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.