Home / 143,010,636.75-214,517,948.03-40,774,674.37

Finding the Fourth Proportional to 143,010,636.75, 214,517,948.03 and 40,774,674.37

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Solution

The fourth proportional to 143,010,636.75, 214,517,948.03 and 40,774,674.37 is: 61,162,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010,636.75 : 214,517,948.03 = 40,774,674.37 : x
  2. Step 2: Convert to fraction form
    143,010,636.75/214,517,948.03 = 40,774,674.37/x
  3. Step 3: Cross multiply
    143,010,636.75x = 214,517,948.03 × 40,774,674.37
  4. Step 4: Simplify right side
    143,010,636.75x = 8,746,899,477,443,832
  5. Step 5: Solve for x
    x = 8,746,899,477,443,832/143,010,636.75
  6. Step 6: Final answer
    x = 61,162,579.76

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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.