Home / 201,393,044.90-301,806,132.15-149,170,109.30

Finding the Fourth Proportional to 201,393,044.90, 301,806,132.15 and 149,170,109.30

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Solution

The fourth proportional to 201,393,044.90, 301,806,132.15 and 149,170,109.30 is: 223,545,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,393,044.90 : 301,806,132.15 = 149,170,109.30 : x
  2. Step 2: Convert to fraction form
    201,393,044.90/301,806,132.15 = 149,170,109.30/x
  3. Step 3: Cross multiply
    201,393,044.90x = 301,806,132.15 × 149,170,109.30
  4. Step 4: Simplify right side
    201,393,044.90x = 45,020,453,720,225,744
  5. Step 5: Solve for x
    x = 45,020,453,720,225,744/201,393,044.90
  6. Step 6: Final answer
    x = 223,545,225.92

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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.