Home / 143,740,942.32-215,647,698.78-40,110,060.72

Finding the Fourth Proportional to 143,740,942.32, 215,647,698.78 and 40,110,060.72

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Solution

The fourth proportional to 143,740,942.32, 215,647,698.78 and 40,110,060.72 is: 60,175,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,740,942.32 : 215,647,698.78 = 40,110,060.72 : x
  2. Step 2: Convert to fraction form
    143,740,942.32/215,647,698.78 = 40,110,060.72/x
  3. Step 3: Cross multiply
    143,740,942.32x = 215,647,698.78 × 40,110,060.72
  4. Step 4: Simplify right side
    143,740,942.32x = 8,649,642,292,194,070
  5. Step 5: Solve for x
    x = 8,649,642,292,194,070/143,740,942.32
  6. Step 6: Final answer
    x = 60,175,216.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.