Home / 87,995,860.80-132,119,762.40-49,732,108.80

Finding the Fourth Proportional to 87,995,860.80, 132,119,762.40 and 49,732,108.80

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Solution

The fourth proportional to 87,995,860.80, 132,119,762.40 and 49,732,108.80 is: 74,669,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,995,860.80 : 132,119,762.40 = 49,732,108.80 : x
  2. Step 2: Convert to fraction form
    87,995,860.80/132,119,762.40 = 49,732,108.80/x
  3. Step 3: Cross multiply
    87,995,860.80x = 132,119,762.40 × 49,732,108.80
  4. Step 4: Simplify right side
    87,995,860.80x = 6,570,594,398,306,949
  5. Step 5: Solve for x
    x = 6,570,594,398,306,949/87,995,860.80
  6. Step 6: Final answer
    x = 74,669,357.61

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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.