Home / 161,510,719.23-222,883,658.72-88,171,861.23

Finding the Fourth Proportional to 161,510,719.23, 222,883,658.72 and 88,171,861.23

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Solution

The fourth proportional to 161,510,719.23, 222,883,658.72 and 88,171,861.23 is: 121,676,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,510,719.23 : 222,883,658.72 = 88,171,861.23 : x
  2. Step 2: Convert to fraction form
    161,510,719.23/222,883,658.72 = 88,171,861.23/x
  3. Step 3: Cross multiply
    161,510,719.23x = 222,883,658.72 × 88,171,861.23
  4. Step 4: Simplify right side
    161,510,719.23x = 19,652,067,026,653,660
  5. Step 5: Solve for x
    x = 19,652,067,026,653,660/161,510,719.23
  6. Step 6: Final answer
    x = 121,676,549.52

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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.