Home / 143,708,874.30-215,560,198.98-40,075,314.48

Finding the Fourth Proportional to 143,708,874.30, 215,560,198.98 and 40,075,314.48

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Solution

The fourth proportional to 143,708,874.30, 215,560,198.98 and 40,075,314.48 is: 60,112,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,708,874.30 : 215,560,198.98 = 40,075,314.48 : x
  2. Step 2: Convert to fraction form
    143,708,874.30/215,560,198.98 = 40,075,314.48/x
  3. Step 3: Cross multiply
    143,708,874.30x = 215,560,198.98 × 40,075,314.48
  4. Step 4: Simplify right side
    143,708,874.30x = 8,638,642,763,494,874
  5. Step 5: Solve for x
    x = 8,638,642,763,494,874/143,708,874.30
  6. Step 6: Final answer
    x = 60,112,103.76

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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.