Home / 78,727,356.95-118,077,576.27-21,206,176.02

Finding the Fourth Proportional to 78,727,356.95, 118,077,576.27 and 21,206,176.02

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Solution

The fourth proportional to 78,727,356.95, 118,077,576.27 and 21,206,176.02 is: 31,805,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,727,356.95 : 118,077,576.27 = 21,206,176.02 : x
  2. Step 2: Convert to fraction form
    78,727,356.95/118,077,576.27 = 21,206,176.02/x
  3. Step 3: Cross multiply
    78,727,356.95x = 118,077,576.27 × 21,206,176.02
  4. Step 4: Simplify right side
    78,727,356.95x = 2,503,973,866,396,595
  5. Step 5: Solve for x
    x = 2,503,973,866,396,595/78,727,356.95
  6. Step 6: Final answer
    x = 31,805,638.64

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