Home / 80,585,221.20-120,833,508.60-55,055,058

Finding the Fourth Proportional to 80,585,221.20, 120,833,508.60 and 55,055,058

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Solution

The fourth proportional to 80,585,221.20, 120,833,508.60 and 55,055,058 is: 82,552,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585,221.20 : 120,833,508.60 = 55,055,058 : x
  2. Step 2: Convert to fraction form
    80,585,221.20/120,833,508.60 = 55,055,058/x
  3. Step 3: Cross multiply
    80,585,221.20x = 120,833,508.60 × 55,055,058
  4. Step 4: Simplify right side
    80,585,221.20x = 6,652,495,824,316,498
  5. Step 5: Solve for x
    x = 6,652,495,824,316,498/80,585,221.20
  6. Step 6: Final answer
    x = 82,552,305.81

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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.