Home / 80,852,873.20-121,279,309.80-23,347,020.40

Finding the Fourth Proportional to 80,852,873.20, 121,279,309.80 and 23,347,020.40

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Solution

The fourth proportional to 80,852,873.20, 121,279,309.80 and 23,347,020.40 is: 35,020,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,873.20 : 121,279,309.80 = 23,347,020.40 : x
  2. Step 2: Convert to fraction form
    80,852,873.20/121,279,309.80 = 23,347,020.40/x
  3. Step 3: Cross multiply
    80,852,873.20x = 121,279,309.80 × 23,347,020.40
  4. Step 4: Simplify right side
    80,852,873.20x = 2,831,510,519,998,519.50
  5. Step 5: Solve for x
    x = 2,831,510,519,998,519.50/80,852,873.20
  6. Step 6: Final answer
    x = 35,020,530.60

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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.