Home / 49,211,660.80-73,817,102.40-12,819,980.80

Finding the Fourth Proportional to 49,211,660.80, 73,817,102.40 and 12,819,980.80

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Solution

The fourth proportional to 49,211,660.80, 73,817,102.40 and 12,819,980.80 is: 19,229,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211,660.80 : 73,817,102.40 = 12,819,980.80 : x
  2. Step 2: Convert to fraction form
    49,211,660.80/73,817,102.40 = 12,819,980.80/x
  3. Step 3: Cross multiply
    49,211,660.80x = 73,817,102.40 × 12,819,980.80
  4. Step 4: Simplify right side
    49,211,660.80x = 946,333,835,479,634
  5. Step 5: Solve for x
    x = 946,333,835,479,634/49,211,660.80
  6. Step 6: Final answer
    x = 19,229,869.91

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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.