Home / 130,734,008.60-195,597,128.10-85,384,376.60

Finding the Fourth Proportional to 130,734,008.60, 195,597,128.10 and 85,384,376.60

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Solution

The fourth proportional to 130,734,008.60, 195,597,128.10 and 85,384,376.60 is: 127,747,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,734,008.60 : 195,597,128.10 = 85,384,376.60 : x
  2. Step 2: Convert to fraction form
    130,734,008.60/195,597,128.10 = 85,384,376.60/x
  3. Step 3: Cross multiply
    130,734,008.60x = 195,597,128.10 × 85,384,376.60
  4. Step 4: Simplify right side
    130,734,008.60x = 16,700,938,847,568,840
  5. Step 5: Solve for x
    x = 16,700,938,847,568,840/130,734,008.60
  6. Step 6: Final answer
    x = 127,747,470.05

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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.