Home / 74,275,113,351.31-111,203,450,956.07-66,743,659,045.15

Finding the Fourth Proportional to 74,275,113,351.31, 111,203,450,956.07 and 66,743,659,045.15

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Solution

The fourth proportional to 74,275,113,351.31, 111,203,450,956.07 and 66,743,659,045.15 is: 99,927,484,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,275,113,351.31 : 111,203,450,956.07 = 66,743,659,045.15 : x
  2. Step 2: Convert to fraction form
    74,275,113,351.31/111,203,450,956.07 = 66,743,659,045.15/x
  3. Step 3: Cross multiply
    74,275,113,351.31x = 111,203,450,956.07 × 66,743,659,045.15
  4. Step 4: Simplify right side
    74,275,113,351.31x = 7,422,125,215,255,996,923,904
  5. Step 5: Solve for x
    x = 7,422,125,215,255,996,923,904/74,275,113,351.31
  6. Step 6: Final answer
    x = 99,927,484,191.78

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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.