Home / 161,320,037,628.04-222,722,121,193.41-102,691,939,716.58

Finding the Fourth Proportional to 161,320,037,628.04, 222,722,121,193.41 and 102,691,939,716.58

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Solution

The fourth proportional to 161,320,037,628.04, 222,722,121,193.41 and 102,691,939,716.58 is: 141,778,832,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,320,037,628.04 : 222,722,121,193.41 = 102,691,939,716.58 : x
  2. Step 2: Convert to fraction form
    161,320,037,628.04/222,722,121,193.41 = 102,691,939,716.58/x
  3. Step 3: Cross multiply
    161,320,037,628.04x = 222,722,121,193.41 × 102,691,939,716.58
  4. Step 4: Simplify right side
    161,320,037,628.04x = 22,871,766,643,142,484,295,680
  5. Step 5: Solve for x
    x = 22,871,766,643,142,484,295,680/161,320,037,628.04
  6. Step 6: Final answer
    x = 141,778,832,806.12

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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.