Home / 40,934,540.40-61,320,940.20-20,754,265.20

Finding the Fourth Proportional to 40,934,540.40, 61,320,940.20 and 20,754,265.20

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Solution

The fourth proportional to 40,934,540.40, 61,320,940.20 and 20,754,265.20 is: 31,090,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,934,540.40 : 61,320,940.20 = 20,754,265.20 : x
  2. Step 2: Convert to fraction form
    40,934,540.40/61,320,940.20 = 20,754,265.20/x
  3. Step 3: Cross multiply
    40,934,540.40x = 61,320,940.20 × 20,754,265.20
  4. Step 4: Simplify right side
    40,934,540.40x = 1,272,671,055,224,141
  5. Step 5: Solve for x
    x = 1,272,671,055,224,141/40,934,540.40
  6. Step 6: Final answer
    x = 31,090,395.61

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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.