Home / 85,951,886.44-128,972,619.42-38,071,633

Finding the Fourth Proportional to 85,951,886.44, 128,972,619.42 and 38,071,633

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Solution

The fourth proportional to 85,951,886.44, 128,972,619.42 and 38,071,633 is: 57,127,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,951,886.44 : 128,972,619.42 = 38,071,633 : x
  2. Step 2: Convert to fraction form
    85,951,886.44/128,972,619.42 = 38,071,633/x
  3. Step 3: Cross multiply
    85,951,886.44x = 128,972,619.42 × 38,071,633
  4. Step 4: Simplify right side
    85,951,886.44x = 4,910,198,233,606,913
  5. Step 5: Solve for x
    x = 4,910,198,233,606,913/85,951,886.44
  6. Step 6: Final answer
    x = 57,127,288.73

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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.