Home / 218,073,493.88-327,113,090.04-72,507,055.26

Finding the Fourth Proportional to 218,073,493.88, 327,113,090.04 and 72,507,055.26

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Solution

The fourth proportional to 218,073,493.88, 327,113,090.04 and 72,507,055.26 is: 108,761,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,073,493.88 : 327,113,090.04 = 72,507,055.26 : x
  2. Step 2: Convert to fraction form
    218,073,493.88/327,113,090.04 = 72,507,055.26/x
  3. Step 3: Cross multiply
    218,073,493.88x = 327,113,090.04 × 72,507,055.26
  4. Step 4: Simplify right side
    218,073,493.88x = 23,718,006,895,799,640
  5. Step 5: Solve for x
    x = 23,718,006,895,799,640/218,073,493.88
  6. Step 6: Final answer
    x = 108,761,530.23

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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.