Home / 64,123,299.80-96,184,949.70-18,686,576.60

Finding the Fourth Proportional to 64,123,299.80, 96,184,949.70 and 18,686,576.60

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Solution

The fourth proportional to 64,123,299.80, 96,184,949.70 and 18,686,576.60 is: 28,029,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123,299.80 : 96,184,949.70 = 18,686,576.60 : x
  2. Step 2: Convert to fraction form
    64,123,299.80/96,184,949.70 = 18,686,576.60/x
  3. Step 3: Cross multiply
    64,123,299.80x = 96,184,949.70 × 18,686,576.60
  4. Step 4: Simplify right side
    64,123,299.80x = 1,797,367,430,336,197.25
  5. Step 5: Solve for x
    x = 1,797,367,430,336,197.25/64,123,299.80
  6. Step 6: Final answer
    x = 28,029,864.90

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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.