Home / 199,557,427.80-299,112,192.90-113,337,139.80

Finding the Fourth Proportional to 199,557,427.80, 299,112,192.90 and 113,337,139.80

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Solution

The fourth proportional to 199,557,427.80, 299,112,192.90 and 113,337,139.80 is: 169,878,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,557,427.80 : 299,112,192.90 = 113,337,139.80 : x
  2. Step 2: Convert to fraction form
    199,557,427.80/299,112,192.90 = 113,337,139.80/x
  3. Step 3: Cross multiply
    199,557,427.80x = 299,112,192.90 × 113,337,139.80
  4. Step 4: Simplify right side
    199,557,427.80x = 33,900,520,422,591,864
  5. Step 5: Solve for x
    x = 33,900,520,422,591,864/199,557,427.80
  6. Step 6: Final answer
    x = 169,878,519.66

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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.