Home / 272,822,348.62-409,227,614.28-76,080,512.32

Finding the Fourth Proportional to 272,822,348.62, 409,227,614.28 and 76,080,512.32

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Solution

The fourth proportional to 272,822,348.62, 409,227,614.28 and 76,080,512.32 is: 114,119,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,822,348.62 : 409,227,614.28 = 76,080,512.32 : x
  2. Step 2: Convert to fraction form
    272,822,348.62/409,227,614.28 = 76,080,512.32/x
  3. Step 3: Cross multiply
    272,822,348.62x = 409,227,614.28 × 76,080,512.32
  4. Step 4: Simplify right side
    272,822,348.62x = 31,134,246,549,913,744
  5. Step 5: Solve for x
    x = 31,134,246,549,913,744/272,822,348.62
  6. Step 6: Final answer
    x = 114,119,120.77

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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.