Home / 140,423,083.09-193,766,875.78-80,903,850.75

Finding the Fourth Proportional to 140,423,083.09, 193,766,875.78 and 80,903,850.75

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Solution

The fourth proportional to 140,423,083.09, 193,766,875.78 and 80,903,850.75 is: 111,637,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423,083.09 : 193,766,875.78 = 80,903,850.75 : x
  2. Step 2: Convert to fraction form
    140,423,083.09/193,766,875.78 = 80,903,850.75/x
  3. Step 3: Cross multiply
    140,423,083.09x = 193,766,875.78 × 80,903,850.75
  4. Step 4: Simplify right side
    140,423,083.09x = 15,676,486,398,398,910
  5. Step 5: Solve for x
    x = 15,676,486,398,398,910/140,423,083.09
  6. Step 6: Final answer
    x = 111,637,531.76

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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.