Home / 143,010,631.25-214,517,939.78-40,774,668.87

Finding the Fourth Proportional to 143,010,631.25, 214,517,939.78 and 40,774,668.87

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Solution

The fourth proportional to 143,010,631.25, 214,517,939.78 and 40,774,668.87 is: 61,162,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010,631.25 : 214,517,939.78 = 40,774,668.87 : x
  2. Step 2: Convert to fraction form
    143,010,631.25/214,517,939.78 = 40,774,668.87/x
  3. Step 3: Cross multiply
    143,010,631.25x = 214,517,939.78 × 40,774,668.87
  4. Step 4: Simplify right side
    143,010,631.25x = 8,746,897,961,880,919
  5. Step 5: Solve for x
    x = 8,746,897,961,880,919/143,010,631.25
  6. Step 6: Final answer
    x = 61,162,571.52

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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.