Home / 80,852,812.20-121,279,218.30-23,346,959.40

Finding the Fourth Proportional to 80,852,812.20, 121,279,218.30 and 23,346,959.40

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Solution

The fourth proportional to 80,852,812.20, 121,279,218.30 and 23,346,959.40 is: 35,020,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,812.20 : 121,279,218.30 = 23,346,959.40 : x
  2. Step 2: Convert to fraction form
    80,852,812.20/121,279,218.30 = 23,346,959.40/x
  3. Step 3: Cross multiply
    80,852,812.20x = 121,279,218.30 × 23,346,959.40
  4. Step 4: Simplify right side
    80,852,812.20x = 2,831,500,985,713,837
  5. Step 5: Solve for x
    x = 2,831,500,985,713,837/80,852,812.20
  6. Step 6: Final answer
    x = 35,020,439.10

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Similar ratio
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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.