Home / 208,821,766.40-313,232,649.60-87,889,414.40

Finding the Fourth Proportional to 208,821,766.40, 313,232,649.60 and 87,889,414.40

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Solution

The fourth proportional to 208,821,766.40, 313,232,649.60 and 87,889,414.40 is: 131,834,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,821,766.40 : 313,232,649.60 = 87,889,414.40 : x
  2. Step 2: Convert to fraction form
    208,821,766.40/313,232,649.60 = 87,889,414.40/x
  3. Step 3: Cross multiply
    208,821,766.40x = 313,232,649.60 × 87,889,414.40
  4. Step 4: Simplify right side
    208,821,766.40x = 27,529,834,144,304,400
  5. Step 5: Solve for x
    x = 27,529,834,144,304,400/208,821,766.40
  6. Step 6: Final answer
    x = 131,834,121.60

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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.