Home / 275,330,031.22-413,006,443.74-81,241,446.48

Finding the Fourth Proportional to 275,330,031.22, 413,006,443.74 and 81,241,446.48

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Solution

The fourth proportional to 275,330,031.22, 413,006,443.74 and 81,241,446.48 is: 121,865,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,330,031.22 : 413,006,443.74 = 81,241,446.48 : x
  2. Step 2: Convert to fraction form
    275,330,031.22/413,006,443.74 = 81,241,446.48/x
  3. Step 3: Cross multiply
    275,330,031.22x = 413,006,443.74 × 81,241,446.48
  4. Step 4: Simplify right side
    275,330,031.22x = 33,553,240,894,998,344
  5. Step 5: Solve for x
    x = 33,553,240,894,998,344/275,330,031.22
  6. Step 6: Final answer
    x = 121,865,532.60

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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.