Home / 198,006,353.52-273,243,222.36-108,698,283.60

Finding the Fourth Proportional to 198,006,353.52, 273,243,222.36 and 108,698,283.60

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Solution

The fourth proportional to 198,006,353.52, 273,243,222.36 and 108,698,283.60 is: 150,000,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,006,353.52 : 273,243,222.36 = 108,698,283.60 : x
  2. Step 2: Convert to fraction form
    198,006,353.52/273,243,222.36 = 108,698,283.60/x
  3. Step 3: Cross multiply
    198,006,353.52x = 273,243,222.36 × 108,698,283.60
  4. Step 4: Simplify right side
    198,006,353.52x = 29,701,069,275,865,140
  5. Step 5: Solve for x
    x = 29,701,069,275,865,140/198,006,353.52
  6. Step 6: Final answer
    x = 150,000,587.09

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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.