Home / 124,821,240.80-186,866,907.60-88,989,432.80

Finding the Fourth Proportional to 124,821,240.80, 186,866,907.60 and 88,989,432.80

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Solution

The fourth proportional to 124,821,240.80, 186,866,907.60 and 88,989,432.80 is: 133,223,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,821,240.80 : 186,866,907.60 = 88,989,432.80 : x
  2. Step 2: Convert to fraction form
    124,821,240.80/186,866,907.60 = 88,989,432.80/x
  3. Step 3: Cross multiply
    124,821,240.80x = 186,866,907.60 × 88,989,432.80
  4. Step 4: Simplify right side
    124,821,240.80x = 16,629,180,116,414,008
  5. Step 5: Solve for x
    x = 16,629,180,116,414,008/124,821,240.80
  6. Step 6: Final answer
    x = 133,223,961.00

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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.