Home / 143,708,937.30-215,560,293.53-40,075,377.44

Finding the Fourth Proportional to 143,708,937.30, 215,560,293.53 and 40,075,377.44

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Solution

The fourth proportional to 143,708,937.30, 215,560,293.53 and 40,075,377.44 is: 60,112,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,708,937.30 : 215,560,293.53 = 40,075,377.44 : x
  2. Step 2: Convert to fraction form
    143,708,937.30/215,560,293.53 = 40,075,377.44/x
  3. Step 3: Cross multiply
    143,708,937.30x = 215,560,293.53 × 40,075,377.44
  4. Step 4: Simplify right side
    143,708,937.30x = 8,638,660,123,013,762
  5. Step 5: Solve for x
    x = 8,638,660,123,013,762/143,708,937.30
  6. Step 6: Final answer
    x = 60,112,198.21

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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.