Home / 33,220,179.80-49,830,269.70-21,050,180.90

Finding the Fourth Proportional to 33,220,179.80, 49,830,269.70 and 21,050,180.90

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Solution

The fourth proportional to 33,220,179.80, 49,830,269.70 and 21,050,180.90 is: 31,575,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220,179.80 : 49,830,269.70 = 21,050,180.90 : x
  2. Step 2: Convert to fraction form
    33,220,179.80/49,830,269.70 = 21,050,180.90/x
  3. Step 3: Cross multiply
    33,220,179.80x = 49,830,269.70 × 21,050,180.90
  4. Step 4: Simplify right side
    33,220,179.80x = 1,048,936,191,480,788.75
  5. Step 5: Solve for x
    x = 1,048,936,191,480,788.75/33,220,179.80
  6. Step 6: Final answer
    x = 31,575,271.35

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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.