Home / 104,979,008.40-157,468,512.60-28,309,786.80

Finding the Fourth Proportional to 104,979,008.40, 157,468,512.60 and 28,309,786.80

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Solution

The fourth proportional to 104,979,008.40, 157,468,512.60 and 28,309,786.80 is: 42,464,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,979,008.40 : 157,468,512.60 = 28,309,786.80 : x
  2. Step 2: Convert to fraction form
    104,979,008.40/157,468,512.60 = 28,309,786.80/x
  3. Step 3: Cross multiply
    104,979,008.40x = 157,468,512.60 × 28,309,786.80
  4. Step 4: Simplify right side
    104,979,008.40x = 4,457,900,019,419,113.50
  5. Step 5: Solve for x
    x = 4,457,900,019,419,113.50/104,979,008.40
  6. Step 6: Final answer
    x = 42,464,680.20

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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.