Home / 64,384,171.60-96,576,257.40-21,260,030.80

Finding the Fourth Proportional to 64,384,171.60, 96,576,257.40 and 21,260,030.80

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Solution

The fourth proportional to 64,384,171.60, 96,576,257.40 and 21,260,030.80 is: 31,890,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,384,171.60 : 96,576,257.40 = 21,260,030.80 : x
  2. Step 2: Convert to fraction form
    64,384,171.60/96,576,257.40 = 21,260,030.80/x
  3. Step 3: Cross multiply
    64,384,171.60x = 96,576,257.40 × 21,260,030.80
  4. Step 4: Simplify right side
    64,384,171.60x = 2,053,214,206,872,728
  5. Step 5: Solve for x
    x = 2,053,214,206,872,728/64,384,171.60
  6. Step 6: Final answer
    x = 31,890,046.20

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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.