Home / 67,807,726,538.90-101,711,589,808.35-20,643,825,823.70

Finding the Fourth Proportional to 67,807,726,538.90, 101,711,589,808.35 and 20,643,825,823.70

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Solution

The fourth proportional to 67,807,726,538.90, 101,711,589,808.35 and 20,643,825,823.70 is: 30,965,738,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,807,726,538.90 : 101,711,589,808.35 = 20,643,825,823.70 : x
  2. Step 2: Convert to fraction form
    67,807,726,538.90/101,711,589,808.35 = 20,643,825,823.70/x
  3. Step 3: Cross multiply
    67,807,726,538.90x = 101,711,589,808.35 × 20,643,825,823.70
  4. Step 4: Simplify right side
    67,807,726,538.90x = 2,099,716,344,255,197,741,056
  5. Step 5: Solve for x
    x = 2,099,716,344,255,197,741,056/67,807,726,538.90
  6. Step 6: Final answer
    x = 30,965,738,735.55

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1.5x scale

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.