Home / 67,807,726,509.40-101,711,589,764.10-20,643,825,794.20

Finding the Fourth Proportional to 67,807,726,509.40, 101,711,589,764.10 and 20,643,825,794.20

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Solution

The fourth proportional to 67,807,726,509.40, 101,711,589,764.10 and 20,643,825,794.20 is: 30,965,738,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,807,726,509.40 : 101,711,589,764.10 = 20,643,825,794.20 : x
  2. Step 2: Convert to fraction form
    67,807,726,509.40/101,711,589,764.10 = 20,643,825,794.20/x
  3. Step 3: Cross multiply
    67,807,726,509.40x = 101,711,589,764.10 × 20,643,825,794.20
  4. Step 4: Simplify right side
    67,807,726,509.40x = 2,099,716,340,341,216,378,880
  5. Step 5: Solve for x
    x = 2,099,716,340,341,216,378,880/67,807,726,509.40
  6. Step 6: Final answer
    x = 30,965,738,691.30

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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.