Home / 172,776,743.10-259,165,114.65-126,860,240.70

Finding the Fourth Proportional to 172,776,743.10, 259,165,114.65 and 126,860,240.70

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Solution

The fourth proportional to 172,776,743.10, 259,165,114.65 and 126,860,240.70 is: 190,290,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,776,743.10 : 259,165,114.65 = 126,860,240.70 : x
  2. Step 2: Convert to fraction form
    172,776,743.10/259,165,114.65 = 126,860,240.70/x
  3. Step 3: Cross multiply
    172,776,743.10x = 259,165,114.65 × 126,860,240.70
  4. Step 4: Simplify right side
    172,776,743.10x = 32,877,748,825,542,096
  5. Step 5: Solve for x
    x = 32,877,748,825,542,096/172,776,743.10
  6. Step 6: Final answer
    x = 190,290,361.05

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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.