Home / 132,880,037.80-199,376,043.90-72,339,212.20

Finding the Fourth Proportional to 132,880,037.80, 199,376,043.90 and 72,339,212.20

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Solution

The fourth proportional to 132,880,037.80, 199,376,043.90 and 72,339,212.20 is: 108,539,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880,037.80 : 199,376,043.90 = 72,339,212.20 : x
  2. Step 2: Convert to fraction form
    132,880,037.80/199,376,043.90 = 72,339,212.20/x
  3. Step 3: Cross multiply
    132,880,037.80x = 199,376,043.90 × 72,339,212.20
  4. Step 4: Simplify right side
    132,880,037.80x = 14,422,705,947,278,616
  5. Step 5: Solve for x
    x = 14,422,705,947,278,616/132,880,037.80
  6. Step 6: Final answer
    x = 108,539,297.45

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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.