Home / 55,170,262.20-82,764,141.30-18,782,081.40

Finding the Fourth Proportional to 55,170,262.20, 82,764,141.30 and 18,782,081.40

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Solution

The fourth proportional to 55,170,262.20, 82,764,141.30 and 18,782,081.40 is: 28,176,100.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170,262.20 : 82,764,141.30 = 18,782,081.40 : x
  2. Step 2: Convert to fraction form
    55,170,262.20/82,764,141.30 = 18,782,081.40/x
  3. Step 3: Cross multiply
    55,170,262.20x = 82,764,141.30 × 18,782,081.40
  4. Step 4: Simplify right side
    55,170,262.20x = 1,554,482,838,897,701.75
  5. Step 5: Solve for x
    x = 1,554,482,838,897,701.75/55,170,262.20
  6. Step 6: Final answer
    x = 28,176,100.26

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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.