Home / 279,989,460.36-386,327,772.48-160,889,039.88

Finding the Fourth Proportional to 279,989,460.36, 386,327,772.48 and 160,889,039.88

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Solution

The fourth proportional to 279,989,460.36, 386,327,772.48 and 160,889,039.88 is: 221,993,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,989,460.36 : 386,327,772.48 = 160,889,039.88 : x
  2. Step 2: Convert to fraction form
    279,989,460.36/386,327,772.48 = 160,889,039.88/x
  3. Step 3: Cross multiply
    279,989,460.36x = 386,327,772.48 × 160,889,039.88
  4. Step 4: Simplify right side
    279,989,460.36x = 62,155,904,393,286,288
  5. Step 5: Solve for x
    x = 62,155,904,393,286,288/279,989,460.36
  6. Step 6: Final answer
    x = 221,993,729.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.