Home / 199,982,893.56-299,944,031.15-54,427,797.47

Finding the Fourth Proportional to 199,982,893.56, 299,944,031.15 and 54,427,797.47

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Solution

The fourth proportional to 199,982,893.56, 299,944,031.15 and 54,427,797.47 is: 81,633,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,982,893.56 : 299,944,031.15 = 54,427,797.47 : x
  2. Step 2: Convert to fraction form
    199,982,893.56/299,944,031.15 = 54,427,797.47/x
  3. Step 3: Cross multiply
    199,982,893.56x = 299,944,031.15 × 54,427,797.47
  4. Step 4: Simplify right side
    199,982,893.56x = 16,325,292,977,995,712
  5. Step 5: Solve for x
    x = 16,325,292,977,995,712/199,982,893.56
  6. Step 6: Final answer
    x = 81,633,447.18

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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.