Home / 78,279,277.61-108,022,443.57-43,474,210.07

Finding the Fourth Proportional to 78,279,277.61, 108,022,443.57 and 43,474,210.07

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Solution

The fourth proportional to 78,279,277.61, 108,022,443.57 and 43,474,210.07 is: 59,992,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,279,277.61 : 108,022,443.57 = 43,474,210.07 : x
  2. Step 2: Convert to fraction form
    78,279,277.61/108,022,443.57 = 43,474,210.07/x
  3. Step 3: Cross multiply
    78,279,277.61x = 108,022,443.57 × 43,474,210.07
  4. Step 4: Simplify right side
    78,279,277.61x = 4,696,190,403,496,788
  5. Step 5: Solve for x
    x = 4,696,190,403,496,788/78,279,277.61
  6. Step 6: Final answer
    x = 59,992,766.24

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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.