Home / 168,487,212.80-252,226,934.40-100,294,803.20

Finding the Fourth Proportional to 168,487,212.80, 252,226,934.40 and 100,294,803.20

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Solution

The fourth proportional to 168,487,212.80, 252,226,934.40 and 100,294,803.20 is: 150,142,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,487,212.80 : 252,226,934.40 = 100,294,803.20 : x
  2. Step 2: Convert to fraction form
    168,487,212.80/252,226,934.40 = 100,294,803.20/x
  3. Step 3: Cross multiply
    168,487,212.80x = 252,226,934.40 × 100,294,803.20
  4. Step 4: Simplify right side
    168,487,212.80x = 25,297,050,747,387,312
  5. Step 5: Solve for x
    x = 25,297,050,747,387,312/168,487,212.80
  6. Step 6: Final answer
    x = 150,142,259.03

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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.