Home / 78,941,480.22-108,933,712.41-45,899,385.18

Finding the Fourth Proportional to 78,941,480.22, 108,933,712.41 and 45,899,385.18

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Solution

The fourth proportional to 78,941,480.22, 108,933,712.41 and 45,899,385.18 is: 63,337,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,941,480.22 : 108,933,712.41 = 45,899,385.18 : x
  2. Step 2: Convert to fraction form
    78,941,480.22/108,933,712.41 = 45,899,385.18/x
  3. Step 3: Cross multiply
    78,941,480.22x = 108,933,712.41 × 45,899,385.18
  4. Step 4: Simplify right side
    78,941,480.22x = 4,999,990,424,993,936
  5. Step 5: Solve for x
    x = 4,999,990,424,993,936/78,941,480.22
  6. Step 6: Final answer
    x = 63,337,936.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.