Home / 199,589,619.40-299,384,429.10-97,419,200.20

Finding the Fourth Proportional to 199,589,619.40, 299,384,429.10 and 97,419,200.20

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Solution

The fourth proportional to 199,589,619.40, 299,384,429.10 and 97,419,200.20 is: 146,128,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,589,619.40 : 299,384,429.10 = 97,419,200.20 : x
  2. Step 2: Convert to fraction form
    199,589,619.40/299,384,429.10 = 97,419,200.20/x
  3. Step 3: Cross multiply
    199,589,619.40x = 299,384,429.10 × 97,419,200.20
  4. Step 4: Simplify right side
    199,589,619.40x = 29,165,791,635,255,608
  5. Step 5: Solve for x
    x = 29,165,791,635,255,608/199,589,619.40
  6. Step 6: Final answer
    x = 146,128,800.30

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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.