Home / 80,852,872.20-121,279,308.30-23,347,019.40

Finding the Fourth Proportional to 80,852,872.20, 121,279,308.30 and 23,347,019.40

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Solution

The fourth proportional to 80,852,872.20, 121,279,308.30 and 23,347,019.40 is: 35,020,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,872.20 : 121,279,308.30 = 23,347,019.40 : x
  2. Step 2: Convert to fraction form
    80,852,872.20/121,279,308.30 = 23,347,019.40/x
  3. Step 3: Cross multiply
    80,852,872.20x = 121,279,308.30 × 23,347,019.40
  4. Step 4: Simplify right side
    80,852,872.20x = 2,831,510,363,698,681
  5. Step 5: Solve for x
    x = 2,831,510,363,698,681/80,852,872.20
  6. Step 6: Final answer
    x = 35,020,529.10

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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.