Home / 161,762,720.20-242,644,080.30-135,934,687.60

Finding the Fourth Proportional to 161,762,720.20, 242,644,080.30 and 135,934,687.60

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Solution

The fourth proportional to 161,762,720.20, 242,644,080.30 and 135,934,687.60 is: 203,902,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,762,720.20 : 242,644,080.30 = 135,934,687.60 : x
  2. Step 2: Convert to fraction form
    161,762,720.20/242,644,080.30 = 135,934,687.60/x
  3. Step 3: Cross multiply
    161,762,720.20x = 242,644,080.30 × 135,934,687.60
  4. Step 4: Simplify right side
    161,762,720.20x = 32,983,747,253,569,816
  5. Step 5: Solve for x
    x = 32,983,747,253,569,816/161,762,720.20
  6. Step 6: Final answer
    x = 203,902,031.40

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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.