Home / 200,936,089.19-300,964,698.39-142,466,535.18

Finding the Fourth Proportional to 200,936,089.19, 300,964,698.39 and 142,466,535.18

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Solution

The fourth proportional to 200,936,089.19, 300,964,698.39 and 142,466,535.18 is: 213,388,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,936,089.19 : 300,964,698.39 = 142,466,535.18 : x
  2. Step 2: Convert to fraction form
    200,936,089.19/300,964,698.39 = 142,466,535.18/x
  3. Step 3: Cross multiply
    200,936,089.19x = 300,964,698.39 × 142,466,535.18
  4. Step 4: Simplify right side
    200,936,089.19x = 42,877,397,791,117,024
  5. Step 5: Solve for x
    x = 42,877,397,791,117,024/200,936,089.19
  6. Step 6: Final answer
    x = 213,388,236.85

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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.