Home / 143,010,639.15-214,517,951.64-40,774,676.78

Finding the Fourth Proportional to 143,010,639.15, 214,517,951.64 and 40,774,676.78

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Solution

The fourth proportional to 143,010,639.15, 214,517,951.64 and 40,774,676.78 is: 61,162,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010,639.15 : 214,517,951.64 = 40,774,676.78 : x
  2. Step 2: Convert to fraction form
    143,010,639.15/214,517,951.64 = 40,774,676.78/x
  3. Step 3: Cross multiply
    143,010,639.15x = 214,517,951.64 × 40,774,676.78
  4. Step 4: Simplify right side
    143,010,639.15x = 8,746,900,140,556,080
  5. Step 5: Solve for x
    x = 8,746,900,140,556,080/143,010,639.15
  6. Step 6: Final answer
    x = 61,162,583.38

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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.