Home / 78,384,752.22-108,177,850.63-43,108,773.59

Finding the Fourth Proportional to 78,384,752.22, 108,177,850.63 and 43,108,773.59

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Solution

The fourth proportional to 78,384,752.22, 108,177,850.63 and 43,108,773.59 is: 59,493,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,384,752.22 : 108,177,850.63 = 43,108,773.59 : x
  2. Step 2: Convert to fraction form
    78,384,752.22/108,177,850.63 = 43,108,773.59/x
  3. Step 3: Cross multiply
    78,384,752.22x = 108,177,850.63 × 43,108,773.59
  4. Step 4: Simplify right side
    78,384,752.22x = 4,663,414,470,261,509
  5. Step 5: Solve for x
    x = 4,663,414,470,261,509/78,384,752.22
  6. Step 6: Final answer
    x = 59,493,898.22

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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.