Home / 92,411,544.25-138,685,137-74,432,811.79

Finding the Fourth Proportional to 92,411,544.25, 138,685,137 and 74,432,811.79

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Solution

The fourth proportional to 92,411,544.25, 138,685,137 and 74,432,811.79 is: 111,703,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,411,544.25 : 138,685,137 = 74,432,811.79 : x
  2. Step 2: Convert to fraction form
    92,411,544.25/138,685,137 = 74,432,811.79/x
  3. Step 3: Cross multiply
    92,411,544.25x = 138,685,137 × 74,432,811.79
  4. Step 4: Simplify right side
    92,411,544.25x = 10,322,724,700,391,366
  5. Step 5: Solve for x
    x = 10,322,724,700,391,366/92,411,544.25
  6. Step 6: Final answer
    x = 111,703,843.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.