Home / 80,820,393.60-121,230,590.40-23,314,540.80

Finding the Fourth Proportional to 80,820,393.60, 121,230,590.40 and 23,314,540.80

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Solution

The fourth proportional to 80,820,393.60, 121,230,590.40 and 23,314,540.80 is: 34,971,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,820,393.60 : 121,230,590.40 = 23,314,540.80 : x
  2. Step 2: Convert to fraction form
    80,820,393.60/121,230,590.40 = 23,314,540.80/x
  3. Step 3: Cross multiply
    80,820,393.60x = 121,230,590.40 × 23,314,540.80
  4. Step 4: Simplify right side
    80,820,393.60x = 2,826,435,546,088,888.50
  5. Step 5: Solve for x
    x = 2,826,435,546,088,888.50/80,820,393.60
  6. Step 6: Final answer
    x = 34,971,811.20

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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.