Home / 256,565,962.85-354,087,418.07-156,101,532.31

Finding the Fourth Proportional to 256,565,962.85, 354,087,418.07 and 156,101,532.31

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Solution

The fourth proportional to 256,565,962.85, 354,087,418.07 and 156,101,532.31 is: 215,436,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,565,962.85 : 354,087,418.07 = 156,101,532.31 : x
  2. Step 2: Convert to fraction form
    256,565,962.85/354,087,418.07 = 156,101,532.31/x
  3. Step 3: Cross multiply
    256,565,962.85x = 354,087,418.07 × 156,101,532.31
  4. Step 4: Simplify right side
    256,565,962.85x = 55,273,588,530,752,856
  5. Step 5: Solve for x
    x = 55,273,588,530,752,856/256,565,962.85
  6. Step 6: Final answer
    x = 215,436,170.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.