Home / 143,010,631.75-214,517,940.53-40,774,669.38

Finding the Fourth Proportional to 143,010,631.75, 214,517,940.53 and 40,774,669.38

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Solution

The fourth proportional to 143,010,631.75, 214,517,940.53 and 40,774,669.38 is: 61,162,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010,631.75 : 214,517,940.53 = 40,774,669.38 : x
  2. Step 2: Convert to fraction form
    143,010,631.75/214,517,940.53 = 40,774,669.38/x
  3. Step 3: Cross multiply
    143,010,631.75x = 214,517,940.53 × 40,774,669.38
  4. Step 4: Simplify right side
    143,010,631.75x = 8,746,898,099,912,789
  5. Step 5: Solve for x
    x = 8,746,898,099,912,789/143,010,631.75
  6. Step 6: Final answer
    x = 61,162,572.27

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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.