Home / 72,777,269.45-100,436,699.18-39,740,584.14

Finding the Fourth Proportional to 72,777,269.45, 100,436,699.18 and 39,740,584.14

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Solution

The fourth proportional to 72,777,269.45, 100,436,699.18 and 39,740,584.14 is: 54,844,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,777,269.45 : 100,436,699.18 = 39,740,584.14 : x
  2. Step 2: Convert to fraction form
    72,777,269.45/100,436,699.18 = 39,740,584.14/x
  3. Step 3: Cross multiply
    72,777,269.45x = 100,436,699.18 × 39,740,584.14
  4. Step 4: Simplify right side
    72,777,269.45x = 3,991,413,094,307,956
  5. Step 5: Solve for x
    x = 3,991,413,094,307,956/72,777,269.45
  6. Step 6: Final answer
    x = 54,844,227.11

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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.