Home / 33,220,520.40-49,830,780.60-31,785,629.70

Finding the Fourth Proportional to 33,220,520.40, 49,830,780.60 and 31,785,629.70

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Solution

The fourth proportional to 33,220,520.40, 49,830,780.60 and 31,785,629.70 is: 47,678,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220,520.40 : 49,830,780.60 = 31,785,629.70 : x
  2. Step 2: Convert to fraction form
    33,220,520.40/49,830,780.60 = 31,785,629.70/x
  3. Step 3: Cross multiply
    33,220,520.40x = 49,830,780.60 × 31,785,629.70
  4. Step 4: Simplify right side
    33,220,520.40x = 1,583,902,739,813,543.75
  5. Step 5: Solve for x
    x = 1,583,902,739,813,543.75/33,220,520.40
  6. Step 6: Final answer
    x = 47,678,444.55

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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.