Home / 58,080,141.80-87,120,212.70-55,245,789.80

Finding the Fourth Proportional to 58,080,141.80, 87,120,212.70 and 55,245,789.80

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Solution

The fourth proportional to 58,080,141.80, 87,120,212.70 and 55,245,789.80 is: 82,868,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080,141.80 : 87,120,212.70 = 55,245,789.80 : x
  2. Step 2: Convert to fraction form
    58,080,141.80/87,120,212.70 = 55,245,789.80/x
  3. Step 3: Cross multiply
    58,080,141.80x = 87,120,212.70 × 55,245,789.80
  4. Step 4: Simplify right side
    58,080,141.80x = 4,813,024,958,155,490
  5. Step 5: Solve for x
    x = 4,813,024,958,155,490/58,080,141.80
  6. Step 6: Final answer
    x = 82,868,684.70

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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.