Home / 218,073,495.11-327,113,091.88-72,507,056.47

Finding the Fourth Proportional to 218,073,495.11, 327,113,091.88 and 72,507,056.47

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Solution

The fourth proportional to 218,073,495.11, 327,113,091.88 and 72,507,056.47 is: 108,761,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,073,495.11 : 327,113,091.88 = 72,507,056.47 : x
  2. Step 2: Convert to fraction form
    218,073,495.11/327,113,091.88 = 72,507,056.47/x
  3. Step 3: Cross multiply
    218,073,495.11x = 327,113,091.88 × 72,507,056.47
  4. Step 4: Simplify right side
    218,073,495.11x = 23,718,007,424,020,408
  5. Step 5: Solve for x
    x = 23,718,007,424,020,408/218,073,495.11
  6. Step 6: Final answer
    x = 108,761,532.04

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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.