Home / 109,849,732.30-164,774,598.45-84,419,101.90

Finding the Fourth Proportional to 109,849,732.30, 164,774,598.45 and 84,419,101.90

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Solution

The fourth proportional to 109,849,732.30, 164,774,598.45 and 84,419,101.90 is: 126,628,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,849,732.30 : 164,774,598.45 = 84,419,101.90 : x
  2. Step 2: Convert to fraction form
    109,849,732.30/164,774,598.45 = 84,419,101.90/x
  3. Step 3: Cross multiply
    109,849,732.30x = 164,774,598.45 × 84,419,101.90
  4. Step 4: Simplify right side
    109,849,732.30x = 13,910,123,617,082,132
  5. Step 5: Solve for x
    x = 13,910,123,617,082,132/109,849,732.30
  6. Step 6: Final answer
    x = 126,628,652.85

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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.