Home / 132,990,140,858.44-183,524,126,017.62-72,022,012,861

Finding the Fourth Proportional to 132,990,140,858.44, 183,524,126,017.62 and 72,022,012,861

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Solution

The fourth proportional to 132,990,140,858.44, 183,524,126,017.62 and 72,022,012,861 is: 99,389,149,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,990,140,858.44 : 183,524,126,017.62 = 72,022,012,861 : x
  2. Step 2: Convert to fraction form
    132,990,140,858.44/183,524,126,017.62 = 72,022,012,861/x
  3. Step 3: Cross multiply
    132,990,140,858.44x = 183,524,126,017.62 × 72,022,012,861
  4. Step 4: Simplify right side
    132,990,140,858.44x = 13,217,776,964,344,811,094,016
  5. Step 5: Solve for x
    x = 13,217,776,964,344,811,094,016/132,990,140,858.44
  6. Step 6: Final answer
    x = 99,389,149,293.51

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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.