Home / 74,270,073.80-111,405,110.70-61,504,992.20

Finding the Fourth Proportional to 74,270,073.80, 111,405,110.70 and 61,504,992.20

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Solution

The fourth proportional to 74,270,073.80, 111,405,110.70 and 61,504,992.20 is: 92,257,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,270,073.80 : 111,405,110.70 = 61,504,992.20 : x
  2. Step 2: Convert to fraction form
    74,270,073.80/111,405,110.70 = 61,504,992.20/x
  3. Step 3: Cross multiply
    74,270,073.80x = 111,405,110.70 × 61,504,992.20
  4. Step 4: Simplify right side
    74,270,073.80x = 6,851,970,464,643,637
  5. Step 5: Solve for x
    x = 6,851,970,464,643,637/74,270,073.80
  6. Step 6: Final answer
    x = 92,257,488.30

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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.