Home / 200,211,744.70-300,207,895.54-61,998,980.74

Finding the Fourth Proportional to 200,211,744.70, 300,207,895.54 and 61,998,980.74

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Solution

The fourth proportional to 200,211,744.70, 300,207,895.54 and 61,998,980.74 is: 92,964,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,211,744.70 : 300,207,895.54 = 61,998,980.74 : x
  2. Step 2: Convert to fraction form
    200,211,744.70/300,207,895.54 = 61,998,980.74/x
  3. Step 3: Cross multiply
    200,211,744.70x = 300,207,895.54 × 61,998,980.74
  4. Step 4: Simplify right side
    200,211,744.70x = 18,612,583,533,580,392
  5. Step 5: Solve for x
    x = 18,612,583,533,580,392/200,211,744.70
  6. Step 6: Final answer
    x = 92,964,493.97

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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.