Home / 78,888,176.10-118,276,276.95-30,347,273.70

Finding the Fourth Proportional to 78,888,176.10, 118,276,276.95 and 30,347,273.70

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Solution

The fourth proportional to 78,888,176.10, 118,276,276.95 and 30,347,273.70 is: 45,499,372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,888,176.10 : 118,276,276.95 = 30,347,273.70 : x
  2. Step 2: Convert to fraction form
    78,888,176.10/118,276,276.95 = 30,347,273.70/x
  3. Step 3: Cross multiply
    78,888,176.10x = 118,276,276.95 × 30,347,273.70
  4. Step 4: Simplify right side
    78,888,176.10x = 3,589,362,548,818,651
  5. Step 5: Solve for x
    x = 3,589,362,548,818,651/78,888,176.10
  6. Step 6: Final answer
    x = 45,499,372.99

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