Home / 91,303,774.96-125,985,753.48-55,521,961.72

Finding the Fourth Proportional to 91,303,774.96, 125,985,753.48 and 55,521,961.72

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Solution

The fourth proportional to 91,303,774.96, 125,985,753.48 and 55,521,961.72 is: 76,612,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303,774.96 : 125,985,753.48 = 55,521,961.72 : x
  2. Step 2: Convert to fraction form
    91,303,774.96/125,985,753.48 = 55,521,961.72/x
  3. Step 3: Cross multiply
    91,303,774.96x = 125,985,753.48 × 55,521,961.72
  4. Step 4: Simplify right side
    91,303,774.96x = 6,994,976,181,981,917
  5. Step 5: Solve for x
    x = 6,994,976,181,981,917/91,303,774.96
  6. Step 6: Final answer
    x = 76,612,124.58

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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.