Home / 338,360,964.10-507,442,983.73-131,053,137.41

Finding the Fourth Proportional to 338,360,964.10, 507,442,983.73 and 131,053,137.41

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Solution

The fourth proportional to 338,360,964.10, 507,442,983.73 and 131,053,137.41 is: 196,541,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,360,964.10 : 507,442,983.73 = 131,053,137.41 : x
  2. Step 2: Convert to fraction form
    338,360,964.10/507,442,983.73 = 131,053,137.41/x
  3. Step 3: Cross multiply
    338,360,964.10x = 507,442,983.73 × 131,053,137.41
  4. Step 4: Simplify right side
    338,360,964.10x = 66,501,995,075,449,056
  5. Step 5: Solve for x
    x = 66,501,995,075,449,056/338,360,964.10
  6. Step 6: Final answer
    x = 196,541,569.90

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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.