Home / 64,553,060.70-89,043,422.31-39,423,380.94

Finding the Fourth Proportional to 64,553,060.70, 89,043,422.31 and 39,423,380.94

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Solution

The fourth proportional to 64,553,060.70, 89,043,422.31 and 39,423,380.94 is: 54,379,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,553,060.70 : 89,043,422.31 = 39,423,380.94 : x
  2. Step 2: Convert to fraction form
    64,553,060.70/89,043,422.31 = 39,423,380.94/x
  3. Step 3: Cross multiply
    64,553,060.70x = 89,043,422.31 × 39,423,380.94
  4. Step 4: Simplify right side
    64,553,060.70x = 3,510,392,757,928,424.50
  5. Step 5: Solve for x
    x = 3,510,392,757,928,424.50/64,553,060.70
  6. Step 6: Final answer
    x = 54,379,958.44

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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.