Home / 132,922,898.80-199,589,634.60-72,456,722.80

Finding the Fourth Proportional to 132,922,898.80, 199,589,634.60 and 72,456,722.80

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Solution

The fourth proportional to 132,922,898.80, 199,589,634.60 and 72,456,722.80 is: 108,796,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922,898.80 : 199,589,634.60 = 72,456,722.80 : x
  2. Step 2: Convert to fraction form
    132,922,898.80/199,589,634.60 = 72,456,722.80/x
  3. Step 3: Cross multiply
    132,922,898.80x = 199,589,634.60 × 72,456,722.80
  4. Step 4: Simplify right side
    132,922,898.80x = 14,461,610,827,965,488
  5. Step 5: Solve for x
    x = 14,461,610,827,965,488/132,922,898.80
  6. Step 6: Final answer
    x = 108,796,986.51

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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.