Home / 262,921,077.20-394,381,615.80-68,832,117.20

Finding the Fourth Proportional to 262,921,077.20, 394,381,615.80 and 68,832,117.20

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Solution

The fourth proportional to 262,921,077.20, 394,381,615.80 and 68,832,117.20 is: 103,248,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,921,077.20 : 394,381,615.80 = 68,832,117.20 : x
  2. Step 2: Convert to fraction form
    262,921,077.20/394,381,615.80 = 68,832,117.20/x
  3. Step 3: Cross multiply
    262,921,077.20x = 394,381,615.80 × 68,832,117.20
  4. Step 4: Simplify right side
    262,921,077.20x = 27,146,121,600,270,972
  5. Step 5: Solve for x
    x = 27,146,121,600,270,972/262,921,077.20
  6. Step 6: Final answer
    x = 103,248,175.80

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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.