Home / 200,009,127.20-299,565,793.20-119,387,559.20

Finding the Fourth Proportional to 200,009,127.20, 299,565,793.20 and 119,387,559.20

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Solution

The fourth proportional to 200,009,127.20, 299,565,793.20 and 119,387,559.20 is: 178,813,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,009,127.20 : 299,565,793.20 = 119,387,559.20 : x
  2. Step 2: Convert to fraction form
    200,009,127.20/299,565,793.20 = 119,387,559.20/x
  3. Step 3: Cross multiply
    200,009,127.20x = 299,565,793.20 × 119,387,559.20
  4. Step 4: Simplify right side
    200,009,127.20x = 35,764,428,869,959,956
  5. Step 5: Solve for x
    x = 35,764,428,869,959,956/200,009,127.20
  6. Step 6: Final answer
    x = 178,813,983.99

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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.