Home / 91,404,793.92-126,138,601.70-52,247,411.44

Finding the Fourth Proportional to 91,404,793.92, 126,138,601.70 and 52,247,411.44

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Solution

The fourth proportional to 91,404,793.92, 126,138,601.70 and 52,247,411.44 is: 72,101,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,404,793.92 : 126,138,601.70 = 52,247,411.44 : x
  2. Step 2: Convert to fraction form
    91,404,793.92/126,138,601.70 = 52,247,411.44/x
  3. Step 3: Cross multiply
    91,404,793.92x = 126,138,601.70 × 52,247,411.44
  4. Step 4: Simplify right side
    91,404,793.92x = 6,590,415,421,486,183
  5. Step 5: Solve for x
    x = 6,590,415,421,486,183/91,404,793.92
  6. Step 6: Final answer
    x = 72,101,419.84

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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.