Home / 145,224,010.40-217,836,015.60-54,335,789.60

Finding the Fourth Proportional to 145,224,010.40, 217,836,015.60 and 54,335,789.60

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Solution

The fourth proportional to 145,224,010.40, 217,836,015.60 and 54,335,789.60 is: 81,503,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,224,010.40 : 217,836,015.60 = 54,335,789.60 : x
  2. Step 2: Convert to fraction form
    145,224,010.40/217,836,015.60 = 54,335,789.60/x
  3. Step 3: Cross multiply
    145,224,010.40x = 217,836,015.60 × 54,335,789.60
  4. Step 4: Simplify right side
    145,224,010.40x = 11,836,291,910,943,918
  5. Step 5: Solve for x
    x = 11,836,291,910,943,918/145,224,010.40
  6. Step 6: Final answer
    x = 81,503,684.40

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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.