Home / 213,022,502.40-319,533,753.60-136,494,998.40

Finding the Fourth Proportional to 213,022,502.40, 319,533,753.60 and 136,494,998.40

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Solution

The fourth proportional to 213,022,502.40, 319,533,753.60 and 136,494,998.40 is: 204,742,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,022,502.40 : 319,533,753.60 = 136,494,998.40 : x
  2. Step 2: Convert to fraction form
    213,022,502.40/319,533,753.60 = 136,494,998.40/x
  3. Step 3: Cross multiply
    213,022,502.40x = 319,533,753.60 × 136,494,998.40
  4. Step 4: Simplify right side
    213,022,502.40x = 43,614,759,186,378,000
  5. Step 5: Solve for x
    x = 43,614,759,186,378,000/213,022,502.40
  6. Step 6: Final answer
    x = 204,742,497.60

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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.