Home / 80,888,969.85-121,333,454.78-32,374,311.45

Finding the Fourth Proportional to 80,888,969.85, 121,333,454.78 and 32,374,311.45

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Solution

The fourth proportional to 80,888,969.85, 121,333,454.78 and 32,374,311.45 is: 48,561,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,888,969.85 : 121,333,454.78 = 32,374,311.45 : x
  2. Step 2: Convert to fraction form
    80,888,969.85/121,333,454.78 = 32,374,311.45/x
  3. Step 3: Cross multiply
    80,888,969.85x = 121,333,454.78 × 32,374,311.45
  4. Step 4: Simplify right side
    80,888,969.85x = 3,928,087,054,190,340
  5. Step 5: Solve for x
    x = 3,928,087,054,190,340/80,888,969.85
  6. Step 6: Final answer
    x = 48,561,467.18

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1.5x scale

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.