Home / 218,073,504.81-327,113,106.48-72,507,066.24

Finding the Fourth Proportional to 218,073,504.81, 327,113,106.48 and 72,507,066.24

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Solution

The fourth proportional to 218,073,504.81, 327,113,106.48 and 72,507,066.24 is: 108,761,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,073,504.81 : 327,113,106.48 = 72,507,066.24 : x
  2. Step 2: Convert to fraction form
    218,073,504.81/327,113,106.48 = 72,507,066.24/x
  3. Step 3: Cross multiply
    218,073,504.81x = 327,113,106.48 × 72,507,066.24
  4. Step 4: Simplify right side
    218,073,504.81x = 23,718,011,679,517,532
  5. Step 5: Solve for x
    x = 23,718,011,679,517,532/218,073,504.81
  6. Step 6: Final answer
    x = 108,761,546.71

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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.