Home / 124,405,600.80-186,608,401.20-79,167,943.20

Finding the Fourth Proportional to 124,405,600.80, 186,608,401.20 and 79,167,943.20

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Solution

The fourth proportional to 124,405,600.80, 186,608,401.20 and 79,167,943.20 is: 118,751,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,405,600.80 : 186,608,401.20 = 79,167,943.20 : x
  2. Step 2: Convert to fraction form
    124,405,600.80/186,608,401.20 = 79,167,943.20/x
  3. Step 3: Cross multiply
    124,405,600.80x = 186,608,401.20 × 79,167,943.20
  4. Step 4: Simplify right side
    124,405,600.80x = 14,773,403,306,844,412
  5. Step 5: Solve for x
    x = 14,773,403,306,844,412/124,405,600.80
  6. Step 6: Final answer
    x = 118,751,914.80

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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.