Home / 272,822,354.24-409,227,622.72-76,080,517.96

Finding the Fourth Proportional to 272,822,354.24, 409,227,622.72 and 76,080,517.96

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Solution

The fourth proportional to 272,822,354.24, 409,227,622.72 and 76,080,517.96 is: 114,119,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,822,354.24 : 409,227,622.72 = 76,080,517.96 : x
  2. Step 2: Convert to fraction form
    272,822,354.24/409,227,622.72 = 76,080,517.96/x
  3. Step 3: Cross multiply
    272,822,354.24x = 409,227,622.72 × 76,080,517.96
  4. Step 4: Simplify right side
    272,822,354.24x = 31,134,249,500,077,064
  5. Step 5: Solve for x
    x = 31,134,249,500,077,064/272,822,354.24
  6. Step 6: Final answer
    x = 114,119,129.23

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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.