Home / 133,075,869.30-199,315,205.55-109,187,997.30

Finding the Fourth Proportional to 133,075,869.30, 199,315,205.55 and 109,187,997.30

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Solution

The fourth proportional to 133,075,869.30, 199,315,205.55 and 109,187,997.30 is: 163,536,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075,869.30 : 199,315,205.55 = 109,187,997.30 : x
  2. Step 2: Convert to fraction form
    133,075,869.30/199,315,205.55 = 109,187,997.30/x
  3. Step 3: Cross multiply
    133,075,869.30x = 199,315,205.55 × 109,187,997.30
  4. Step 4: Simplify right side
    133,075,869.30x = 21,762,828,125,442,344
  5. Step 5: Solve for x
    x = 21,762,828,125,442,344/133,075,869.30
  6. Step 6: Final answer
    x = 163,536,997.65

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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.