Home / 228,046,653.20-342,069,979.80-199,348,839.20

Finding the Fourth Proportional to 228,046,653.20, 342,069,979.80 and 199,348,839.20

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Solution

The fourth proportional to 228,046,653.20, 342,069,979.80 and 199,348,839.20 is: 299,023,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,046,653.20 : 342,069,979.80 = 199,348,839.20 : x
  2. Step 2: Convert to fraction form
    228,046,653.20/342,069,979.80 = 199,348,839.20/x
  3. Step 3: Cross multiply
    228,046,653.20x = 342,069,979.80 × 199,348,839.20
  4. Step 4: Simplify right side
    228,046,653.20x = 68,191,253,398,297,448
  5. Step 5: Solve for x
    x = 68,191,253,398,297,448/228,046,653.20
  6. Step 6: Final answer
    x = 299,023,258.80

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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.