Home / 168,487,238.80-252,226,973.40-100,294,829.20

Finding the Fourth Proportional to 168,487,238.80, 252,226,973.40 and 100,294,829.20

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Solution

The fourth proportional to 168,487,238.80, 252,226,973.40 and 100,294,829.20 is: 150,142,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,487,238.80 : 252,226,973.40 = 100,294,829.20 : x
  2. Step 2: Convert to fraction form
    168,487,238.80/252,226,973.40 = 100,294,829.20/x
  3. Step 3: Cross multiply
    168,487,238.80x = 252,226,973.40 × 100,294,829.20
  4. Step 4: Simplify right side
    168,487,238.80x = 25,297,061,216,785,944
  5. Step 5: Solve for x
    x = 25,297,061,216,785,944/168,487,238.80
  6. Step 6: Final answer
    x = 150,142,298.00

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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.