Home / 54,518,538.60-81,777,807.90-39,213,037.80

Finding the Fourth Proportional to 54,518,538.60, 81,777,807.90 and 39,213,037.80

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Solution

The fourth proportional to 54,518,538.60, 81,777,807.90 and 39,213,037.80 is: 58,819,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518,538.60 : 81,777,807.90 = 39,213,037.80 : x
  2. Step 2: Convert to fraction form
    54,518,538.60/81,777,807.90 = 39,213,037.80/x
  3. Step 3: Cross multiply
    54,518,538.60x = 81,777,807.90 × 39,213,037.80
  4. Step 4: Simplify right side
    54,518,538.60x = 3,206,756,272,383,838.50
  5. Step 5: Solve for x
    x = 3,206,756,272,383,838.50/54,518,538.60
  6. Step 6: Final answer
    x = 58,819,556.70

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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.