Home / 228,046,665.20-342,069,997.80-199,348,851.20

Finding the Fourth Proportional to 228,046,665.20, 342,069,997.80 and 199,348,851.20

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Solution

The fourth proportional to 228,046,665.20, 342,069,997.80 and 199,348,851.20 is: 299,023,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,046,665.20 : 342,069,997.80 = 199,348,851.20 : x
  2. Step 2: Convert to fraction form
    228,046,665.20/342,069,997.80 = 199,348,851.20/x
  3. Step 3: Cross multiply
    228,046,665.20x = 342,069,997.80 × 199,348,851.20
  4. Step 4: Simplify right side
    228,046,665.20x = 68,191,261,091,416,528
  5. Step 5: Solve for x
    x = 68,191,261,091,416,528/228,046,665.20
  6. Step 6: Final answer
    x = 299,023,276.80

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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.