Home / 201,393,042.90-301,806,129.15-149,170,107.30

Finding the Fourth Proportional to 201,393,042.90, 301,806,129.15 and 149,170,107.30

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Solution

The fourth proportional to 201,393,042.90, 301,806,129.15 and 149,170,107.30 is: 223,545,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,393,042.90 : 301,806,129.15 = 149,170,107.30 : x
  2. Step 2: Convert to fraction form
    201,393,042.90/301,806,129.15 = 149,170,107.30/x
  3. Step 3: Cross multiply
    201,393,042.90x = 301,806,129.15 × 149,170,107.30
  4. Step 4: Simplify right side
    201,393,042.90x = 45,020,452,669,103,160
  5. Step 5: Solve for x
    x = 45,020,452,669,103,160/201,393,042.90
  6. Step 6: Final answer
    x = 223,545,222.92

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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.