Home / 143,708,940.06-215,560,297.64-40,075,380.18

Finding the Fourth Proportional to 143,708,940.06, 215,560,297.64 and 40,075,380.18

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Solution

The fourth proportional to 143,708,940.06, 215,560,297.64 and 40,075,380.18 is: 60,112,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,708,940.06 : 215,560,297.64 = 40,075,380.18 : x
  2. Step 2: Convert to fraction form
    143,708,940.06/215,560,297.64 = 40,075,380.18/x
  3. Step 3: Cross multiply
    143,708,940.06x = 215,560,297.64 × 40,075,380.18
  4. Step 4: Simplify right side
    143,708,940.06x = 8,638,660,879,636,956
  5. Step 5: Solve for x
    x = 8,638,660,879,636,956/143,708,940.06
  6. Step 6: Final answer
    x = 60,112,202.32

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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.