Home / 103,797,035.72-143,238,153.56-74,082,397.96

Finding the Fourth Proportional to 103,797,035.72, 143,238,153.56 and 74,082,397.96

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Solution

The fourth proportional to 103,797,035.72, 143,238,153.56 and 74,082,397.96 is: 102,232,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,797,035.72 : 143,238,153.56 = 74,082,397.96 : x
  2. Step 2: Convert to fraction form
    103,797,035.72/143,238,153.56 = 74,082,397.96/x
  3. Step 3: Cross multiply
    103,797,035.72x = 143,238,153.56 × 74,082,397.96
  4. Step 4: Simplify right side
    103,797,035.72x = 10,611,425,895,087,510
  5. Step 5: Solve for x
    x = 10,611,425,895,087,510/103,797,035.72
  6. Step 6: Final answer
    x = 102,232,456.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.