Home / 177,876,178.40-266,814,267.60-126,220,113.20

Finding the Fourth Proportional to 177,876,178.40, 266,814,267.60 and 126,220,113.20

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Solution

The fourth proportional to 177,876,178.40, 266,814,267.60 and 126,220,113.20 is: 189,330,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,876,178.40 : 266,814,267.60 = 126,220,113.20 : x
  2. Step 2: Convert to fraction form
    177,876,178.40/266,814,267.60 = 126,220,113.20/x
  3. Step 3: Cross multiply
    177,876,178.40x = 266,814,267.60 × 126,220,113.20
  4. Step 4: Simplify right side
    177,876,178.40x = 33,677,327,059,847,092
  5. Step 5: Solve for x
    x = 33,677,327,059,847,092/177,876,178.40
  6. Step 6: Final answer
    x = 189,330,169.80

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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.