Home / 33,199,123.20-49,798,684.80-20,378,054.40

Finding the Fourth Proportional to 33,199,123.20, 49,798,684.80 and 20,378,054.40

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Solution

The fourth proportional to 33,199,123.20, 49,798,684.80 and 20,378,054.40 is: 30,567,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,199,123.20 : 49,798,684.80 = 20,378,054.40 : x
  2. Step 2: Convert to fraction form
    33,199,123.20/49,798,684.80 = 20,378,054.40/x
  3. Step 3: Cross multiply
    33,199,123.20x = 49,798,684.80 × 20,378,054.40
  4. Step 4: Simplify right side
    33,199,123.20x = 1,014,800,307,902,853
  5. Step 5: Solve for x
    x = 1,014,800,307,902,853/33,199,123.20
  6. Step 6: Final answer
    x = 30,567,081.60

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1.5x scale

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.