Home / 172,464,257.80-258,732,329.10-57,484,520.20

Finding the Fourth Proportional to 172,464,257.80, 258,732,329.10 and 57,484,520.20

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Solution

The fourth proportional to 172,464,257.80, 258,732,329.10 and 57,484,520.20 is: 86,238,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,464,257.80 : 258,732,329.10 = 57,484,520.20 : x
  2. Step 2: Convert to fraction form
    172,464,257.80/258,732,329.10 = 57,484,520.20/x
  3. Step 3: Cross multiply
    172,464,257.80x = 258,732,329.10 × 57,484,520.20
  4. Step 4: Simplify right side
    172,464,257.80x = 14,873,103,798,541,998
  5. Step 5: Solve for x
    x = 14,873,103,798,541,998/172,464,257.80
  6. Step 6: Final answer
    x = 86,238,760.36

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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.