Home / 71,659,183,838.88-98,889,716,267.28-39,976,797,217.44

Finding the Fourth Proportional to 71,659,183,838.88, 98,889,716,267.28 and 39,976,797,217.44

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Solution

The fourth proportional to 71,659,183,838.88, 98,889,716,267.28 and 39,976,797,217.44 is: 55,168,003,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,659,183,838.88 : 98,889,716,267.28 = 39,976,797,217.44 : x
  2. Step 2: Convert to fraction form
    71,659,183,838.88/98,889,716,267.28 = 39,976,797,217.44/x
  3. Step 3: Cross multiply
    71,659,183,838.88x = 98,889,716,267.28 × 39,976,797,217.44
  4. Step 4: Simplify right side
    71,659,183,838.88x = 3,953,294,134,107,230,437,376
  5. Step 5: Solve for x
    x = 3,953,294,134,107,230,437,376/71,659,183,838.88
  6. Step 6: Final answer
    x = 55,168,003,908.56

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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.