Home / 266,078,169.20-398,781,330.60-235,845,081.20

Finding the Fourth Proportional to 266,078,169.20, 398,781,330.60 and 235,845,081.20

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Solution

The fourth proportional to 266,078,169.20, 398,781,330.60 and 235,845,081.20 is: 353,469,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,078,169.20 : 398,781,330.60 = 235,845,081.20 : x
  2. Step 2: Convert to fraction form
    266,078,169.20/398,781,330.60 = 235,845,081.20/x
  3. Step 3: Cross multiply
    266,078,169.20x = 398,781,330.60 × 235,845,081.20
  4. Step 4: Simplify right side
    266,078,169.20x = 94,050,615,296,401,040
  5. Step 5: Solve for x
    x = 94,050,615,296,401,040/266,078,169.20
  6. Step 6: Final answer
    x = 353,469,867.82

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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.