Home / 200,995,891.60-301,493,837.40-79,827,343.60

Finding the Fourth Proportional to 200,995,891.60, 301,493,837.40 and 79,827,343.60

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Solution

The fourth proportional to 200,995,891.60, 301,493,837.40 and 79,827,343.60 is: 119,741,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,995,891.60 : 301,493,837.40 = 79,827,343.60 : x
  2. Step 2: Convert to fraction form
    200,995,891.60/301,493,837.40 = 79,827,343.60/x
  3. Step 3: Cross multiply
    200,995,891.60x = 301,493,837.40 × 79,827,343.60
  4. Step 4: Simplify right side
    200,995,891.60x = 24,067,452,151,412,328
  5. Step 5: Solve for x
    x = 24,067,452,151,412,328/200,995,891.60
  6. Step 6: Final answer
    x = 119,741,015.40

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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.