Home / 168,030,136.80-252,045,205.20-147,874,744.80

Finding the Fourth Proportional to 168,030,136.80, 252,045,205.20 and 147,874,744.80

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Solution

The fourth proportional to 168,030,136.80, 252,045,205.20 and 147,874,744.80 is: 221,812,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,030,136.80 : 252,045,205.20 = 147,874,744.80 : x
  2. Step 2: Convert to fraction form
    168,030,136.80/252,045,205.20 = 147,874,744.80/x
  3. Step 3: Cross multiply
    168,030,136.80x = 252,045,205.20 × 147,874,744.80
  4. Step 4: Simplify right side
    168,030,136.80x = 37,271,120,397,013,632
  5. Step 5: Solve for x
    x = 37,271,120,397,013,632/168,030,136.80
  6. Step 6: Final answer
    x = 221,812,117.20

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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.