Home / 100,931,734.72-151,410,192.96-39,512,959.84

Finding the Fourth Proportional to 100,931,734.72, 151,410,192.96 and 39,512,959.84

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Solution

The fourth proportional to 100,931,734.72, 151,410,192.96 and 39,512,959.84 is: 59,274,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,931,734.72 : 151,410,192.96 = 39,512,959.84 : x
  2. Step 2: Convert to fraction form
    100,931,734.72/151,410,192.96 = 39,512,959.84/x
  3. Step 3: Cross multiply
    100,931,734.72x = 151,410,192.96 × 39,512,959.84
  4. Step 4: Simplify right side
    100,931,734.72x = 5,982,664,873,795,132
  5. Step 5: Solve for x
    x = 5,982,664,873,795,132/100,931,734.72
  6. Step 6: Final answer
    x = 59,274,368.86

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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.