Home / 129,445,546.40-194,242,969.20-48,724,445.60

Finding the Fourth Proportional to 129,445,546.40, 194,242,969.20 and 48,724,445.60

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Solution

The fourth proportional to 129,445,546.40, 194,242,969.20 and 48,724,445.60 is: 73,114,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,445,546.40 : 194,242,969.20 = 48,724,445.60 : x
  2. Step 2: Convert to fraction form
    129,445,546.40/194,242,969.20 = 48,724,445.60/x
  3. Step 3: Cross multiply
    129,445,546.40x = 194,242,969.20 × 48,724,445.60
  4. Step 4: Simplify right side
    129,445,546.40x = 9,464,380,985,967,876
  5. Step 5: Solve for x
    x = 9,464,380,985,967,876/129,445,546.40
  6. Step 6: Final answer
    x = 73,114,767.17

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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.