Home / 33,220,178.80-49,830,268.20-21,050,179.90

Finding the Fourth Proportional to 33,220,178.80, 49,830,268.20 and 21,050,179.90

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Solution

The fourth proportional to 33,220,178.80, 49,830,268.20 and 21,050,179.90 is: 31,575,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220,178.80 : 49,830,268.20 = 21,050,179.90 : x
  2. Step 2: Convert to fraction form
    33,220,178.80/49,830,268.20 = 21,050,179.90/x
  3. Step 3: Cross multiply
    33,220,178.80x = 49,830,268.20 × 21,050,179.90
  4. Step 4: Simplify right side
    33,220,178.80x = 1,048,936,110,075,249.12
  5. Step 5: Solve for x
    x = 1,048,936,110,075,249.12/33,220,178.80
  6. Step 6: Final answer
    x = 31,575,269.85

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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.