Home / 81,471,507.96-112,726,745.31-71,039,263.27

Finding the Fourth Proportional to 81,471,507.96, 112,726,745.31 and 71,039,263.27

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Solution

The fourth proportional to 81,471,507.96, 112,726,745.31 and 71,039,263.27 is: 98,292,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,471,507.96 : 112,726,745.31 = 71,039,263.27 : x
  2. Step 2: Convert to fraction form
    81,471,507.96/112,726,745.31 = 71,039,263.27/x
  3. Step 3: Cross multiply
    81,471,507.96x = 112,726,745.31 × 71,039,263.27
  4. Step 4: Simplify right side
    81,471,507.96x = 8,008,024,937,526,170
  5. Step 5: Solve for x
    x = 8,008,024,937,526,170/81,471,507.96
  6. Step 6: Final answer
    x = 98,292,337.26

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Why These Related Problems?

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