Home / 78,186,272.42-107,897,069.28-43,378,879.83

Finding the Fourth Proportional to 78,186,272.42, 107,897,069.28 and 43,378,879.83

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Solution

The fourth proportional to 78,186,272.42, 107,897,069.28 and 43,378,879.83 is: 59,862,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,186,272.42 : 107,897,069.28 = 43,378,879.83 : x
  2. Step 2: Convert to fraction form
    78,186,272.42/107,897,069.28 = 43,378,879.83/x
  3. Step 3: Cross multiply
    78,186,272.42x = 107,897,069.28 × 43,378,879.83
  4. Step 4: Simplify right side
    78,186,272.42x = 4,680,454,002,064,362
  5. Step 5: Solve for x
    x = 4,680,454,002,064,362/78,186,272.42
  6. Step 6: Final answer
    x = 59,862,861.56

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