Home / 200,360,600.40-299,903,171.40-142,964,972.40

Finding the Fourth Proportional to 200,360,600.40, 299,903,171.40 and 142,964,972.40

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Solution

The fourth proportional to 200,360,600.40, 299,903,171.40 and 142,964,972.40 is: 213,992,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,360,600.40 : 299,903,171.40 = 142,964,972.40 : x
  2. Step 2: Convert to fraction form
    200,360,600.40/299,903,171.40 = 142,964,972.40/x
  3. Step 3: Cross multiply
    200,360,600.40x = 299,903,171.40 × 142,964,972.40
  4. Step 4: Simplify right side
    200,360,600.40x = 42,875,648,621,873,464
  5. Step 5: Solve for x
    x = 42,875,648,621,873,464/200,360,600.40
  6. Step 6: Final answer
    x = 213,992,414.36

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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.