Home / 80,702,611.35-111,360,406.82-45,413,600.42

Finding the Fourth Proportional to 80,702,611.35, 111,360,406.82 and 45,413,600.42

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Solution

The fourth proportional to 80,702,611.35, 111,360,406.82 and 45,413,600.42 is: 62,665,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,702,611.35 : 111,360,406.82 = 45,413,600.42 : x
  2. Step 2: Convert to fraction form
    80,702,611.35/111,360,406.82 = 45,413,600.42/x
  3. Step 3: Cross multiply
    80,702,611.35x = 111,360,406.82 × 45,413,600.42
  4. Step 4: Simplify right side
    80,702,611.35x = 5,057,277,017,148,253
  5. Step 5: Solve for x
    x = 5,057,277,017,148,253/80,702,611.35
  6. Step 6: Final answer
    x = 62,665,593.25

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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.