Home / 137,806,434.21-206,514,658.38-76,422,593.01

Finding the Fourth Proportional to 137,806,434.21, 206,514,658.38 and 76,422,593.01

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Solution

The fourth proportional to 137,806,434.21, 206,514,658.38 and 76,422,593.01 is: 114,525,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,806,434.21 : 206,514,658.38 = 76,422,593.01 : x
  2. Step 2: Convert to fraction form
    137,806,434.21/206,514,658.38 = 76,422,593.01/x
  3. Step 3: Cross multiply
    137,806,434.21x = 206,514,658.38 × 76,422,593.01
  4. Step 4: Simplify right side
    137,806,434.21x = 15,782,385,687,973,926
  5. Step 5: Solve for x
    x = 15,782,385,687,973,926/137,806,434.21
  6. Step 6: Final answer
    x = 114,525,753.30

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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.