Home / 314,930,986.80-472,396,480.20-110,385,250.80

Finding the Fourth Proportional to 314,930,986.80, 472,396,480.20 and 110,385,250.80

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Solution

The fourth proportional to 314,930,986.80, 472,396,480.20 and 110,385,250.80 is: 165,577,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,986.80 : 472,396,480.20 = 110,385,250.80 : x
  2. Step 2: Convert to fraction form
    314,930,986.80/472,396,480.20 = 110,385,250.80/x
  3. Step 3: Cross multiply
    314,930,986.80x = 472,396,480.20 × 110,385,250.80
  4. Step 4: Simplify right side
    314,930,986.80x = 52,145,603,943,914,232
  5. Step 5: Solve for x
    x = 52,145,603,943,914,232/314,930,986.80
  6. Step 6: Final answer
    x = 165,577,876.20

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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.