Home / 219,961,990.80-330,155,562.60-133,868,548.80

Finding the Fourth Proportional to 219,961,990.80, 330,155,562.60 and 133,868,548.80

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Solution

The fourth proportional to 219,961,990.80, 330,155,562.60 and 133,868,548.80 is: 200,932,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,961,990.80 : 330,155,562.60 = 133,868,548.80 : x
  2. Step 2: Convert to fraction form
    219,961,990.80/330,155,562.60 = 133,868,548.80/x
  3. Step 3: Cross multiply
    219,961,990.80x = 330,155,562.60 × 133,868,548.80
  4. Step 4: Simplify right side
    219,961,990.80x = 44,197,446,043,509,560
  5. Step 5: Solve for x
    x = 44,197,446,043,509,560/219,961,990.80
  6. Step 6: Final answer
    x = 200,932,196.89

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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.