Home / 200,211,752.68-300,207,907.56-61,998,988.72

Finding the Fourth Proportional to 200,211,752.68, 300,207,907.56 and 61,998,988.72

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Solution

The fourth proportional to 200,211,752.68, 300,207,907.56 and 61,998,988.72 is: 92,964,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,211,752.68 : 300,207,907.56 = 61,998,988.72 : x
  2. Step 2: Convert to fraction form
    200,211,752.68/300,207,907.56 = 61,998,988.72/x
  3. Step 3: Cross multiply
    200,211,752.68x = 300,207,907.56 × 61,998,988.72
  4. Step 4: Simplify right side
    200,211,752.68x = 18,612,586,674,467,244
  5. Step 5: Solve for x
    x = 18,612,586,674,467,244/200,211,752.68
  6. Step 6: Final answer
    x = 92,964,505.96

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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.