Home / 143,708,942.06-215,560,300.64-40,075,382.18

Finding the Fourth Proportional to 143,708,942.06, 215,560,300.64 and 40,075,382.18

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Solution

The fourth proportional to 143,708,942.06, 215,560,300.64 and 40,075,382.18 is: 60,112,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,708,942.06 : 215,560,300.64 = 40,075,382.18 : x
  2. Step 2: Convert to fraction form
    143,708,942.06/215,560,300.64 = 40,075,382.18/x
  3. Step 3: Cross multiply
    143,708,942.06x = 215,560,300.64 × 40,075,382.18
  4. Step 4: Simplify right side
    143,708,942.06x = 8,638,661,430,983,698
  5. Step 5: Solve for x
    x = 8,638,661,430,983,698/143,708,942.06
  6. Step 6: Final answer
    x = 60,112,205.32

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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.