Home / 74,517,292.30-111,775,912.14-19,928,459.04

Finding the Fourth Proportional to 74,517,292.30, 111,775,912.14 and 19,928,459.04

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Solution

The fourth proportional to 74,517,292.30, 111,775,912.14 and 19,928,459.04 is: 29,892,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,517,292.30 : 111,775,912.14 = 19,928,459.04 : x
  2. Step 2: Convert to fraction form
    74,517,292.30/111,775,912.14 = 19,928,459.04/x
  3. Step 3: Cross multiply
    74,517,292.30x = 111,775,912.14 × 19,928,459.04
  4. Step 4: Simplify right side
    74,517,292.30x = 2,227,521,686,648,796.75
  5. Step 5: Solve for x
    x = 2,227,521,686,648,796.75/74,517,292.30
  6. Step 6: Final answer
    x = 29,892,681.52

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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.