Home / 206,756,432.80-310,134,649.20-178,034,999.20

Finding the Fourth Proportional to 206,756,432.80, 310,134,649.20 and 178,034,999.20

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Solution

The fourth proportional to 206,756,432.80, 310,134,649.20 and 178,034,999.20 is: 267,052,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,756,432.80 : 310,134,649.20 = 178,034,999.20 : x
  2. Step 2: Convert to fraction form
    206,756,432.80/310,134,649.20 = 178,034,999.20/x
  3. Step 3: Cross multiply
    206,756,432.80x = 310,134,649.20 × 178,034,999.20
  4. Step 4: Simplify right side
    206,756,432.80x = 55,214,822,022,214,272
  5. Step 5: Solve for x
    x = 55,214,822,022,214,272/206,756,432.80
  6. Step 6: Final answer
    x = 267,052,498.80

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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.