Home / 145,514,936.20-218,272,404.30-99,598,433.80

Finding the Fourth Proportional to 145,514,936.20, 218,272,404.30 and 99,598,433.80

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Solution

The fourth proportional to 145,514,936.20, 218,272,404.30 and 99,598,433.80 is: 149,397,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,514,936.20 : 218,272,404.30 = 99,598,433.80 : x
  2. Step 2: Convert to fraction form
    145,514,936.20/218,272,404.30 = 99,598,433.80/x
  3. Step 3: Cross multiply
    145,514,936.20x = 218,272,404.30 × 99,598,433.80
  4. Step 4: Simplify right side
    145,514,936.20x = 21,739,589,610,040,384
  5. Step 5: Solve for x
    x = 21,739,589,610,040,384/145,514,936.20
  6. Step 6: Final answer
    x = 149,397,650.70

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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.