Home / 187,848,014.40-281,772,021.60-90,850,190.40

Finding the Fourth Proportional to 187,848,014.40, 281,772,021.60 and 90,850,190.40

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Solution

The fourth proportional to 187,848,014.40, 281,772,021.60 and 90,850,190.40 is: 136,275,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,848,014.40 : 281,772,021.60 = 90,850,190.40 : x
  2. Step 2: Convert to fraction form
    187,848,014.40/281,772,021.60 = 90,850,190.40/x
  3. Step 3: Cross multiply
    187,848,014.40x = 281,772,021.60 × 90,850,190.40
  4. Step 4: Simplify right side
    187,848,014.40x = 25,599,041,811,752,916
  5. Step 5: Solve for x
    x = 25,599,041,811,752,916/187,848,014.40
  6. Step 6: Final answer
    x = 136,275,285.60

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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.