Home / 124,821,378.80-186,867,114.60-88,989,570.80

Finding the Fourth Proportional to 124,821,378.80, 186,867,114.60 and 88,989,570.80

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Solution

The fourth proportional to 124,821,378.80, 186,867,114.60 and 88,989,570.80 is: 133,224,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,821,378.80 : 186,867,114.60 = 88,989,570.80 : x
  2. Step 2: Convert to fraction form
    124,821,378.80/186,867,114.60 = 88,989,570.80/x
  3. Step 3: Cross multiply
    124,821,378.80x = 186,867,114.60 × 88,989,570.80
  4. Step 4: Simplify right side
    124,821,378.80x = 16,629,224,324,888,412
  5. Step 5: Solve for x
    x = 16,629,224,324,888,412/124,821,378.80
  6. Step 6: Final answer
    x = 133,224,167.89

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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.