Home / 218,351,685.12-327,640,881.60-89,054,154.24

Finding the Fourth Proportional to 218,351,685.12, 327,640,881.60 and 89,054,154.24

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Solution

The fourth proportional to 218,351,685.12, 327,640,881.60 and 89,054,154.24 is: 133,627,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,351,685.12 : 327,640,881.60 = 89,054,154.24 : x
  2. Step 2: Convert to fraction form
    218,351,685.12/327,640,881.60 = 89,054,154.24/x
  3. Step 3: Cross multiply
    218,351,685.12x = 327,640,881.60 × 89,054,154.24
  4. Step 4: Simplify right side
    218,351,685.12x = 29,177,781,605,335,980
  5. Step 5: Solve for x
    x = 29,177,781,605,335,980/218,351,685.12
  6. Step 6: Final answer
    x = 133,627,462.45

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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.