Home / 78,393,295.03-108,177,131.52-43,113,584.25

Finding the Fourth Proportional to 78,393,295.03, 108,177,131.52 and 43,113,584.25

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Solution

The fourth proportional to 78,393,295.03, 108,177,131.52 and 43,113,584.25 is: 59,493,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,393,295.03 : 108,177,131.52 = 43,113,584.25 : x
  2. Step 2: Convert to fraction form
    78,393,295.03/108,177,131.52 = 43,113,584.25/x
  3. Step 3: Cross multiply
    78,393,295.03x = 108,177,131.52 × 43,113,584.25
  4. Step 4: Simplify right side
    78,393,295.03x = 4,663,903,873,285,507
  5. Step 5: Solve for x
    x = 4,663,903,873,285,507/78,393,295.03
  6. Step 6: Final answer
    x = 59,493,657.86

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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.