Home / 181,331,989.20-271,997,983.80-130,691,566.80

Finding the Fourth Proportional to 181,331,989.20, 271,997,983.80 and 130,691,566.80

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Solution

The fourth proportional to 181,331,989.20, 271,997,983.80 and 130,691,566.80 is: 196,037,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,331,989.20 : 271,997,983.80 = 130,691,566.80 : x
  2. Step 2: Convert to fraction form
    181,331,989.20/271,997,983.80 = 130,691,566.80/x
  3. Step 3: Cross multiply
    181,331,989.20x = 271,997,983.80 × 130,691,566.80
  4. Step 4: Simplify right side
    181,331,989.20x = 35,547,842,669,263,020
  5. Step 5: Solve for x
    x = 35,547,842,669,263,020/181,331,989.20
  6. Step 6: Final answer
    x = 196,037,350.20

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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.