Home / 71,787,788.98-99,066,643.44-39,192,740.98

Finding the Fourth Proportional to 71,787,788.98, 99,066,643.44 and 39,192,740.98

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Solution

The fourth proportional to 71,787,788.98, 99,066,643.44 and 39,192,740.98 is: 54,085,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,787,788.98 : 99,066,643.44 = 39,192,740.98 : x
  2. Step 2: Convert to fraction form
    71,787,788.98/99,066,643.44 = 39,192,740.98/x
  3. Step 3: Cross multiply
    71,787,788.98x = 99,066,643.44 × 39,192,740.98
  4. Step 4: Simplify right side
    71,787,788.98x = 3,882,693,296,101,936
  5. Step 5: Solve for x
    x = 3,882,693,296,101,936/71,787,788.98
  6. Step 6: Final answer
    x = 54,085,706.65

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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.