Home / 239,580,915.32-330,621,659.34-129,572,627.96

Finding the Fourth Proportional to 239,580,915.32, 330,621,659.34 and 129,572,627.96

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Solution

The fourth proportional to 239,580,915.32, 330,621,659.34 and 129,572,627.96 is: 178,810,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,580,915.32 : 330,621,659.34 = 129,572,627.96 : x
  2. Step 2: Convert to fraction form
    239,580,915.32/330,621,659.34 = 129,572,627.96/x
  3. Step 3: Cross multiply
    239,580,915.32x = 330,621,659.34 × 129,572,627.96
  4. Step 4: Simplify right side
    239,580,915.32x = 42,839,517,261,179,672
  5. Step 5: Solve for x
    x = 42,839,517,261,179,672/239,580,915.32
  6. Step 6: Final answer
    x = 178,810,224.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.