Home / 129,569,728.40-194,429,242.20-48,848,627.60

Finding the Fourth Proportional to 129,569,728.40, 194,429,242.20 and 48,848,627.60

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Solution

The fourth proportional to 129,569,728.40, 194,429,242.20 and 48,848,627.60 is: 73,301,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,569,728.40 : 194,429,242.20 = 48,848,627.60 : x
  2. Step 2: Convert to fraction form
    129,569,728.40/194,429,242.20 = 48,848,627.60/x
  3. Step 3: Cross multiply
    129,569,728.40x = 194,429,242.20 × 48,848,627.60
  4. Step 4: Simplify right side
    129,569,728.40x = 9,497,601,646,778,004
  5. Step 5: Solve for x
    x = 9,497,601,646,778,004/129,569,728.40
  6. Step 6: Final answer
    x = 73,301,084.78

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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.