Home / 161,320,037,628.61-222,722,121,194.17-102,691,939,717.15

Finding the Fourth Proportional to 161,320,037,628.61, 222,722,121,194.17 and 102,691,939,717.15

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Solution

The fourth proportional to 161,320,037,628.61, 222,722,121,194.17 and 102,691,939,717.15 is: 141,778,832,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,320,037,628.61 : 222,722,121,194.17 = 102,691,939,717.15 : x
  2. Step 2: Convert to fraction form
    161,320,037,628.61/222,722,121,194.17 = 102,691,939,717.15/x
  3. Step 3: Cross multiply
    161,320,037,628.61x = 222,722,121,194.17 × 102,691,939,717.15
  4. Step 4: Simplify right side
    161,320,037,628.61x = 22,871,766,643,347,480,903,680
  5. Step 5: Solve for x
    x = 22,871,766,643,347,480,903,680/161,320,037,628.61
  6. Step 6: Final answer
    x = 141,778,832,806.89

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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.