Home / 99,696,318.30-149,544,477.45-61,233,111.90

Finding the Fourth Proportional to 99,696,318.30, 149,544,477.45 and 61,233,111.90

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Solution

The fourth proportional to 99,696,318.30, 149,544,477.45 and 61,233,111.90 is: 91,849,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,318.30 : 149,544,477.45 = 61,233,111.90 : x
  2. Step 2: Convert to fraction form
    99,696,318.30/149,544,477.45 = 61,233,111.90/x
  3. Step 3: Cross multiply
    99,696,318.30x = 149,544,477.45 × 61,233,111.90
  4. Step 4: Simplify right side
    99,696,318.30x = 9,157,073,721,722,876
  5. Step 5: Solve for x
    x = 9,157,073,721,722,876/99,696,318.30
  6. Step 6: Final answer
    x = 91,849,667.85

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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.