Home / 172,037,665.60-258,056,498.40-76,486,177.60

Finding the Fourth Proportional to 172,037,665.60, 258,056,498.40 and 76,486,177.60

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Solution

The fourth proportional to 172,037,665.60, 258,056,498.40 and 76,486,177.60 is: 114,729,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,037,665.60 : 258,056,498.40 = 76,486,177.60 : x
  2. Step 2: Convert to fraction form
    172,037,665.60/258,056,498.40 = 76,486,177.60/x
  3. Step 3: Cross multiply
    172,037,665.60x = 258,056,498.40 × 76,486,177.60
  4. Step 4: Simplify right side
    172,037,665.60x = 19,737,755,167,456,516
  5. Step 5: Solve for x
    x = 19,737,755,167,456,516/172,037,665.60
  6. Step 6: Final answer
    x = 114,729,266.40

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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.