Home / 200,018,507.40-300,027,761.10-118,053,246.60

Finding the Fourth Proportional to 200,018,507.40, 300,027,761.10 and 118,053,246.60

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Solution

The fourth proportional to 200,018,507.40, 300,027,761.10 and 118,053,246.60 is: 177,079,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,018,507.40 : 300,027,761.10 = 118,053,246.60 : x
  2. Step 2: Convert to fraction form
    200,018,507.40/300,027,761.10 = 118,053,246.60/x
  3. Step 3: Cross multiply
    200,018,507.40x = 300,027,761.10 × 118,053,246.60
  4. Step 4: Simplify right side
    200,018,507.40x = 35,419,251,267,984,188
  5. Step 5: Solve for x
    x = 35,419,251,267,984,188/200,018,507.40
  6. Step 6: Final answer
    x = 177,079,869.90

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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.