Home / 275,690,220.60-380,452,512.24-151,930,897.74

Finding the Fourth Proportional to 275,690,220.60, 380,452,512.24 and 151,930,897.74

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Solution

The fourth proportional to 275,690,220.60, 380,452,512.24 and 151,930,897.74 is: 209,664,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,690,220.60 : 380,452,512.24 = 151,930,897.74 : x
  2. Step 2: Convert to fraction form
    275,690,220.60/380,452,512.24 = 151,930,897.74/x
  3. Step 3: Cross multiply
    275,690,220.60x = 380,452,512.24 × 151,930,897.74
  4. Step 4: Simplify right side
    275,690,220.60x = 57,802,491,732,061,544
  5. Step 5: Solve for x
    x = 57,802,491,732,061,544/275,690,220.60
  6. Step 6: Final answer
    x = 209,664,643.19

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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.