Home / 165,989,245.20-249,143,300.10-84,200,475.30

Finding the Fourth Proportional to 165,989,245.20, 249,143,300.10 and 84,200,475.30

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Solution

The fourth proportional to 165,989,245.20, 249,143,300.10 and 84,200,475.30 is: 126,381,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,989,245.20 : 249,143,300.10 = 84,200,475.30 : x
  2. Step 2: Convert to fraction form
    165,989,245.20/249,143,300.10 = 84,200,475.30/x
  3. Step 3: Cross multiply
    165,989,245.20x = 249,143,300.10 × 84,200,475.30
  4. Step 4: Simplify right side
    165,989,245.20x = 20,977,984,286,230,536
  5. Step 5: Solve for x
    x = 20,977,984,286,230,536/165,989,245.20
  6. Step 6: Final answer
    x = 126,381,587.32

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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.