Home / 168,487,264.80-252,227,012.40-100,294,855.20

Finding the Fourth Proportional to 168,487,264.80, 252,227,012.40 and 100,294,855.20

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Solution

The fourth proportional to 168,487,264.80, 252,227,012.40 and 100,294,855.20 is: 150,142,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,487,264.80 : 252,227,012.40 = 100,294,855.20 : x
  2. Step 2: Convert to fraction form
    168,487,264.80/252,227,012.40 = 100,294,855.20/x
  3. Step 3: Cross multiply
    168,487,264.80x = 252,227,012.40 × 100,294,855.20
  4. Step 4: Simplify right side
    168,487,264.80x = 25,297,071,686,186,604
  5. Step 5: Solve for x
    x = 25,297,071,686,186,604/168,487,264.80
  6. Step 6: Final answer
    x = 150,142,336.97

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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.