Home / 172,442,028.15-237,934,474.94-99,088,998.39

Finding the Fourth Proportional to 172,442,028.15, 237,934,474.94 and 99,088,998.39

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Solution

The fourth proportional to 172,442,028.15, 237,934,474.94 and 99,088,998.39 is: 136,722,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,442,028.15 : 237,934,474.94 = 99,088,998.39 : x
  2. Step 2: Convert to fraction form
    172,442,028.15/237,934,474.94 = 99,088,998.39/x
  3. Step 3: Cross multiply
    172,442,028.15x = 237,934,474.94 × 99,088,998.39
  4. Step 4: Simplify right side
    172,442,028.15x = 23,576,688,804,502,876
  5. Step 5: Solve for x
    x = 23,576,688,804,502,876/172,442,028.15
  6. Step 6: Final answer
    x = 136,722,404.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.