Home / 168,487,261.80-252,227,007.90-100,294,852.20

Finding the Fourth Proportional to 168,487,261.80, 252,227,007.90 and 100,294,852.20

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Solution

The fourth proportional to 168,487,261.80, 252,227,007.90 and 100,294,852.20 is: 150,142,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,487,261.80 : 252,227,007.90 = 100,294,852.20 : x
  2. Step 2: Convert to fraction form
    168,487,261.80/252,227,007.90 = 100,294,852.20/x
  3. Step 3: Cross multiply
    168,487,261.80x = 252,227,007.90 × 100,294,852.20
  4. Step 4: Simplify right side
    168,487,261.80x = 25,297,070,478,178,732
  5. Step 5: Solve for x
    x = 25,297,070,478,178,732/168,487,261.80
  6. Step 6: Final answer
    x = 150,142,332.47

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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.