Home / 80,702,612.35-111,360,408.19-45,413,601.42

Finding the Fourth Proportional to 80,702,612.35, 111,360,408.19 and 45,413,601.42

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Solution

The fourth proportional to 80,702,612.35, 111,360,408.19 and 45,413,601.42 is: 62,665,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,702,612.35 : 111,360,408.19 = 45,413,601.42 : x
  2. Step 2: Convert to fraction form
    80,702,612.35/111,360,408.19 = 45,413,601.42/x
  3. Step 3: Cross multiply
    80,702,612.35x = 111,360,408.19 × 45,413,601.42
  4. Step 4: Simplify right side
    80,702,612.35x = 5,057,277,191,509,164
  5. Step 5: Solve for x
    x = 5,057,277,191,509,164/80,702,612.35
  6. Step 6: Final answer
    x = 62,665,594.63

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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.