Home / 55,276,243.20-82,914,364.80-39,120,436.80

Finding the Fourth Proportional to 55,276,243.20, 82,914,364.80 and 39,120,436.80

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Solution

The fourth proportional to 55,276,243.20, 82,914,364.80 and 39,120,436.80 is: 58,680,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276,243.20 : 82,914,364.80 = 39,120,436.80 : x
  2. Step 2: Convert to fraction form
    55,276,243.20/82,914,364.80 = 39,120,436.80/x
  3. Step 3: Cross multiply
    55,276,243.20x = 82,914,364.80 × 39,120,436.80
  4. Step 4: Simplify right side
    55,276,243.20x = 3,243,646,167,970,544.50
  5. Step 5: Solve for x
    x = 3,243,646,167,970,544.50/55,276,243.20
  6. Step 6: Final answer
    x = 58,680,655.20

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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.