Home / 55,729,861.20-83,594,791.80-19,326,152.70

Finding the Fourth Proportional to 55,729,861.20, 83,594,791.80 and 19,326,152.70

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Solution

The fourth proportional to 55,729,861.20, 83,594,791.80 and 19,326,152.70 is: 28,989,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729,861.20 : 83,594,791.80 = 19,326,152.70 : x
  2. Step 2: Convert to fraction form
    55,729,861.20/83,594,791.80 = 19,326,152.70/x
  3. Step 3: Cross multiply
    55,729,861.20x = 83,594,791.80 × 19,326,152.70
  4. Step 4: Simplify right side
    55,729,861.20x = 1,615,565,711,251,507.75
  5. Step 5: Solve for x
    x = 1,615,565,711,251,507.75/55,729,861.20
  6. Step 6: Final answer
    x = 28,989,229.05

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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.