Home / 64,553,059.20-89,043,420.24-39,423,379.44

Finding the Fourth Proportional to 64,553,059.20, 89,043,420.24 and 39,423,379.44

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Solution

The fourth proportional to 64,553,059.20, 89,043,420.24 and 39,423,379.44 is: 54,379,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,553,059.20 : 89,043,420.24 = 39,423,379.44 : x
  2. Step 2: Convert to fraction form
    64,553,059.20/89,043,420.24 = 39,423,379.44/x
  3. Step 3: Cross multiply
    64,553,059.20x = 89,043,420.24 × 39,423,379.44
  4. Step 4: Simplify right side
    64,553,059.20x = 3,510,392,542,756,895.50
  5. Step 5: Solve for x
    x = 3,510,392,542,756,895.50/64,553,059.20
  6. Step 6: Final answer
    x = 54,379,956.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.