Home / 77,287,878.80-115,928,131.80-26,164,883.60

Finding the Fourth Proportional to 77,287,878.80, 115,928,131.80 and 26,164,883.60

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Solution

The fourth proportional to 77,287,878.80, 115,928,131.80 and 26,164,883.60 is: 39,246,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,287,878.80 : 115,928,131.80 = 26,164,883.60 : x
  2. Step 2: Convert to fraction form
    77,287,878.80/115,928,131.80 = 26,164,883.60/x
  3. Step 3: Cross multiply
    77,287,878.80x = 115,928,131.80 × 26,164,883.60
  4. Step 4: Simplify right side
    77,287,878.80x = 3,033,246,074,512,458.50
  5. Step 5: Solve for x
    x = 3,033,246,074,512,458.50/77,287,878.80
  6. Step 6: Final answer
    x = 39,246,077.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.