Home / 134,581,143.35-185,722,144.23-72,701,481.91

Finding the Fourth Proportional to 134,581,143.35, 185,722,144.23 and 72,701,481.91

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Solution

The fourth proportional to 134,581,143.35, 185,722,144.23 and 72,701,481.91 is: 100,328,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,581,143.35 : 185,722,144.23 = 72,701,481.91 : x
  2. Step 2: Convert to fraction form
    134,581,143.35/185,722,144.23 = 72,701,481.91/x
  3. Step 3: Cross multiply
    134,581,143.35x = 185,722,144.23 × 72,701,481.91
  4. Step 4: Simplify right side
    134,581,143.35x = 13,502,275,108,771,728
  5. Step 5: Solve for x
    x = 13,502,275,108,771,728/134,581,143.35
  6. Step 6: Final answer
    x = 100,328,134.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.