Home / 161,803,008,007.20-242,704,512,010.80-132,392,260,000.80

Finding the Fourth Proportional to 161,803,008,007.20, 242,704,512,010.80 and 132,392,260,000.80

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Solution

The fourth proportional to 161,803,008,007.20, 242,704,512,010.80 and 132,392,260,000.80 is: 198,588,390,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,803,008,007.20 : 242,704,512,010.80 = 132,392,260,000.80 : x
  2. Step 2: Convert to fraction form
    161,803,008,007.20/242,704,512,010.80 = 132,392,260,000.80/x
  3. Step 3: Cross multiply
    161,803,008,007.20x = 242,704,512,010.80 × 132,392,260,000.80
  4. Step 4: Simplify right side
    161,803,008,007.20x = 32,132,198,857,501,120,135,168
  5. Step 5: Solve for x
    x = 32,132,198,857,501,120,135,168/161,803,008,007.20
  6. Step 6: Final answer
    x = 198,588,390,001.20

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Double scale
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1.5x scale

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.