Home / 198,938,921.38-297,009,596.90-152,006,785.36

Finding the Fourth Proportional to 198,938,921.38, 297,009,596.90 and 152,006,785.36

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Solution

The fourth proportional to 198,938,921.38, 297,009,596.90 and 152,006,785.36 is: 226,941,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,938,921.38 : 297,009,596.90 = 152,006,785.36 : x
  2. Step 2: Convert to fraction form
    198,938,921.38/297,009,596.90 = 152,006,785.36/x
  3. Step 3: Cross multiply
    198,938,921.38x = 297,009,596.90 × 152,006,785.36
  4. Step 4: Simplify right side
    198,938,921.38x = 45,147,474,045,838,424
  5. Step 5: Solve for x
    x = 45,147,474,045,838,424/198,938,921.38
  6. Step 6: Final answer
    x = 226,941,383.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.