Home / 72,562,626.82-100,136,406.09-39,967,578.82

Finding the Fourth Proportional to 72,562,626.82, 100,136,406.09 and 39,967,578.82

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Solution

The fourth proportional to 72,562,626.82, 100,136,406.09 and 39,967,578.82 is: 55,155,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,562,626.82 : 100,136,406.09 = 39,967,578.82 : x
  2. Step 2: Convert to fraction form
    72,562,626.82/100,136,406.09 = 39,967,578.82/x
  3. Step 3: Cross multiply
    72,562,626.82x = 100,136,406.09 × 39,967,578.82
  4. Step 4: Simplify right side
    72,562,626.82x = 4,002,209,703,153,603
  5. Step 5: Solve for x
    x = 4,002,209,703,153,603/72,562,626.82
  6. Step 6: Final answer
    x = 55,155,248.35

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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.