Home / 266,936,479.60-400,404,719.40-113,587,538.80

Finding the Fourth Proportional to 266,936,479.60, 400,404,719.40 and 113,587,538.80

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Solution

The fourth proportional to 266,936,479.60, 400,404,719.40 and 113,587,538.80 is: 170,381,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,936,479.60 : 400,404,719.40 = 113,587,538.80 : x
  2. Step 2: Convert to fraction form
    266,936,479.60/400,404,719.40 = 113,587,538.80/x
  3. Step 3: Cross multiply
    266,936,479.60x = 400,404,719.40 × 113,587,538.80
  4. Step 4: Simplify right side
    266,936,479.60x = 45,480,986,600,550,608
  5. Step 5: Solve for x
    x = 45,480,986,600,550,608/266,936,479.60
  6. Step 6: Final answer
    x = 170,381,308.20

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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.