Home / 218,073,340.40-327,110,010.60-145,513,929.20

Finding the Fourth Proportional to 218,073,340.40, 327,110,010.60 and 145,513,929.20

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Solution

The fourth proportional to 218,073,340.40, 327,110,010.60 and 145,513,929.20 is: 218,270,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,073,340.40 : 327,110,010.60 = 145,513,929.20 : x
  2. Step 2: Convert to fraction form
    218,073,340.40/327,110,010.60 = 145,513,929.20/x
  3. Step 3: Cross multiply
    218,073,340.40x = 327,110,010.60 × 145,513,929.20
  4. Step 4: Simplify right side
    218,073,340.40x = 47,599,062,923,059,648
  5. Step 5: Solve for x
    x = 47,599,062,923,059,648/218,073,340.40
  6. Step 6: Final answer
    x = 218,270,893.80

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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.