Home / 51,127,550.40-76,654,000.80-20,819,812.80

Finding the Fourth Proportional to 51,127,550.40, 76,654,000.80 and 20,819,812.80

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Solution

The fourth proportional to 51,127,550.40, 76,654,000.80 and 20,819,812.80 is: 31,214,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127,550.40 : 76,654,000.80 = 20,819,812.80 : x
  2. Step 2: Convert to fraction form
    51,127,550.40/76,654,000.80 = 20,819,812.80/x
  3. Step 3: Cross multiply
    51,127,550.40x = 76,654,000.80 × 20,819,812.80
  4. Step 4: Simplify right side
    51,127,550.40x = 1,595,921,947,027,050.25
  5. Step 5: Solve for x
    x = 1,595,921,947,027,050.25/51,127,550.40
  6. Step 6: Final answer
    x = 31,214,520.05

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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.