Home / 198,145,206.90-297,217,810.35-185,390,622.90

Finding the Fourth Proportional to 198,145,206.90, 297,217,810.35 and 185,390,622.90

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Solution

The fourth proportional to 198,145,206.90, 297,217,810.35 and 185,390,622.90 is: 278,085,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,145,206.90 : 297,217,810.35 = 185,390,622.90 : x
  2. Step 2: Convert to fraction form
    198,145,206.90/297,217,810.35 = 185,390,622.90/x
  3. Step 3: Cross multiply
    198,145,206.90x = 297,217,810.35 × 185,390,622.90
  4. Step 4: Simplify right side
    198,145,206.90x = 55,101,394,997,760,576
  5. Step 5: Solve for x
    x = 55,101,394,997,760,576/198,145,206.90
  6. Step 6: Final answer
    x = 278,085,934.35

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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.