Home / 177,876,246.40-266,814,369.60-126,220,181.20

Finding the Fourth Proportional to 177,876,246.40, 266,814,369.60 and 126,220,181.20

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Solution

The fourth proportional to 177,876,246.40, 266,814,369.60 and 126,220,181.20 is: 189,330,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,876,246.40 : 266,814,369.60 = 126,220,181.20 : x
  2. Step 2: Convert to fraction form
    177,876,246.40/266,814,369.60 = 126,220,181.20/x
  3. Step 3: Cross multiply
    177,876,246.40x = 266,814,369.60 × 126,220,181.20
  4. Step 4: Simplify right side
    177,876,246.40x = 33,677,358,077,675,772
  5. Step 5: Solve for x
    x = 33,677,358,077,675,772/177,876,246.40
  6. Step 6: Final answer
    x = 189,330,271.80

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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.