Home / 91,081,764.32-136,622,539.40-29,670,822.54

Finding the Fourth Proportional to 91,081,764.32, 136,622,539.40 and 29,670,822.54

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Solution

The fourth proportional to 91,081,764.32, 136,622,539.40 and 29,670,822.54 is: 44,506,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,081,764.32 : 136,622,539.40 = 29,670,822.54 : x
  2. Step 2: Convert to fraction form
    91,081,764.32/136,622,539.40 = 29,670,822.54/x
  3. Step 3: Cross multiply
    91,081,764.32x = 136,622,539.40 × 29,670,822.54
  4. Step 4: Simplify right side
    91,081,764.32x = 4,053,703,121,353,204
  5. Step 5: Solve for x
    x = 4,053,703,121,353,204/91,081,764.32
  6. Step 6: Final answer
    x = 44,506,198.93

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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.