Home / 143,010,632.75-214,517,942.03-40,774,670.37

Finding the Fourth Proportional to 143,010,632.75, 214,517,942.03 and 40,774,670.37

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Solution

The fourth proportional to 143,010,632.75, 214,517,942.03 and 40,774,670.37 is: 61,162,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010,632.75 : 214,517,942.03 = 40,774,670.37 : x
  2. Step 2: Convert to fraction form
    143,010,632.75/214,517,942.03 = 40,774,670.37/x
  3. Step 3: Cross multiply
    143,010,632.75x = 214,517,942.03 × 40,774,670.37
  4. Step 4: Simplify right side
    143,010,632.75x = 8,746,898,374,520,145
  5. Step 5: Solve for x
    x = 8,746,898,374,520,145/143,010,632.75
  6. Step 6: Final answer
    x = 61,162,573.77

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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.