Home / 72,244,874.75-99,697,992.36-39,205,124.23

Finding the Fourth Proportional to 72,244,874.75, 99,697,992.36 and 39,205,124.23

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Solution

The fourth proportional to 72,244,874.75, 99,697,992.36 and 39,205,124.23 is: 54,103,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,244,874.75 : 99,697,992.36 = 39,205,124.23 : x
  2. Step 2: Convert to fraction form
    72,244,874.75/99,697,992.36 = 39,205,124.23/x
  3. Step 3: Cross multiply
    72,244,874.75x = 99,697,992.36 × 39,205,124.23
  4. Step 4: Simplify right side
    72,244,874.75x = 3,908,672,175,966,589
  5. Step 5: Solve for x
    x = 3,908,672,175,966,589/72,244,874.75
  6. Step 6: Final answer
    x = 54,103,106.82

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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.