Home / 172,037,540.80-257,757,712.80-161,287,998.40

Finding the Fourth Proportional to 172,037,540.80, 257,757,712.80 and 161,287,998.40

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Solution

The fourth proportional to 172,037,540.80, 257,757,712.80 and 161,287,998.40 is: 241,652,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,037,540.80 : 257,757,712.80 = 161,287,998.40 : x
  2. Step 2: Convert to fraction form
    172,037,540.80/257,757,712.80 = 161,287,998.40/x
  3. Step 3: Cross multiply
    172,037,540.80x = 257,757,712.80 × 161,287,998.40
  4. Step 4: Simplify right side
    172,037,540.80x = 41,573,225,569,674,064
  5. Step 5: Solve for x
    x = 41,573,225,569,674,064/172,037,540.80
  6. Step 6: Final answer
    x = 241,652,056.73

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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.