Home / 132,922,491.80-199,589,024.10-72,456,315.80

Finding the Fourth Proportional to 132,922,491.80, 199,589,024.10 and 72,456,315.80

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Solution

The fourth proportional to 132,922,491.80, 199,589,024.10 and 72,456,315.80 is: 108,796,375.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922,491.80 : 199,589,024.10 = 72,456,315.80 : x
  2. Step 2: Convert to fraction form
    132,922,491.80/199,589,024.10 = 72,456,315.80/x
  3. Step 3: Cross multiply
    132,922,491.80x = 199,589,024.10 × 72,456,315.80
  4. Step 4: Simplify right side
    132,922,491.80x = 14,461,485,360,403,410
  5. Step 5: Solve for x
    x = 14,461,485,360,403,410/132,922,491.80
  6. Step 6: Final answer
    x = 108,796,375.73

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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.