Home / 177,876,245.40-266,814,368.10-126,220,180.20

Finding the Fourth Proportional to 177,876,245.40, 266,814,368.10 and 126,220,180.20

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Solution

The fourth proportional to 177,876,245.40, 266,814,368.10 and 126,220,180.20 is: 189,330,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,876,245.40 : 266,814,368.10 = 126,220,180.20 : x
  2. Step 2: Convert to fraction form
    177,876,245.40/266,814,368.10 = 126,220,180.20/x
  3. Step 3: Cross multiply
    177,876,245.40x = 266,814,368.10 × 126,220,180.20
  4. Step 4: Simplify right side
    177,876,245.40x = 33,677,357,621,531,132
  5. Step 5: Solve for x
    x = 33,677,357,621,531,132/177,876,245.40
  6. Step 6: Final answer
    x = 189,330,270.30

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1.5x scale

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.