Home / 202,464,720.48-279,399,923.20-109,643,104.20

Finding the Fourth Proportional to 202,464,720.48, 279,399,923.20 and 109,643,104.20

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Solution

The fourth proportional to 202,464,720.48, 279,399,923.20 and 109,643,104.20 is: 151,306,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,464,720.48 : 279,399,923.20 = 109,643,104.20 : x
  2. Step 2: Convert to fraction form
    202,464,720.48/279,399,923.20 = 109,643,104.20/x
  3. Step 3: Cross multiply
    202,464,720.48x = 279,399,923.20 × 109,643,104.20
  4. Step 4: Simplify right side
    202,464,720.48x = 30,634,274,892,889,596
  5. Step 5: Solve for x
    x = 30,634,274,892,889,596/202,464,720.48
  6. Step 6: Final answer
    x = 151,306,730.48

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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.