Home / 181,310,940.80-271,966,411.20-145,479,132.80

Finding the Fourth Proportional to 181,310,940.80, 271,966,411.20 and 145,479,132.80

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Solution

The fourth proportional to 181,310,940.80, 271,966,411.20 and 145,479,132.80 is: 218,218,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,310,940.80 : 271,966,411.20 = 145,479,132.80 : x
  2. Step 2: Convert to fraction form
    181,310,940.80/271,966,411.20 = 145,479,132.80/x
  3. Step 3: Cross multiply
    181,310,940.80x = 271,966,411.20 × 145,479,132.80
  4. Step 4: Simplify right side
    181,310,940.80x = 39,565,437,652,104,208
  5. Step 5: Solve for x
    x = 39,565,437,652,104,208/181,310,940.80
  6. Step 6: Final answer
    x = 218,218,699.20

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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.