Home / 284,237,241.78-426,396,529.95-87,517,297.11

Finding the Fourth Proportional to 284,237,241.78, 426,396,529.95 and 87,517,297.11

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Solution

The fourth proportional to 284,237,241.78, 426,396,529.95 and 87,517,297.11 is: 131,288,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,237,241.78 : 426,396,529.95 = 87,517,297.11 : x
  2. Step 2: Convert to fraction form
    284,237,241.78/426,396,529.95 = 87,517,297.11/x
  3. Step 3: Cross multiply
    284,237,241.78x = 426,396,529.95 × 87,517,297.11
  4. Step 4: Simplify right side
    284,237,241.78x = 37,317,071,798,307,160
  5. Step 5: Solve for x
    x = 37,317,071,798,307,160/284,237,241.78
  6. Step 6: Final answer
    x = 131,288,467.21

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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.