Home / 109,659,071,659.85-151,273,825,040.31-71,619,545,246.57

Finding the Fourth Proportional to 109,659,071,659.85, 151,273,825,040.31 and 71,619,545,246.57

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Solution

The fourth proportional to 109,659,071,659.85, 151,273,825,040.31 and 71,619,545,246.57 is: 98,798,598,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,659,071,659.85 : 151,273,825,040.31 = 71,619,545,246.57 : x
  2. Step 2: Convert to fraction form
    109,659,071,659.85/151,273,825,040.31 = 71,619,545,246.57/x
  3. Step 3: Cross multiply
    109,659,071,659.85x = 151,273,825,040.31 × 71,619,545,246.57
  4. Step 4: Simplify right side
    109,659,071,659.85x = 10,834,162,557,096,801,861,632
  5. Step 5: Solve for x
    x = 10,834,162,557,096,801,861,632/109,659,071,659.85
  6. Step 6: Final answer
    x = 98,798,598,174.38

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1.5x scale

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.