Home / 87,200,998.80-130,777,878.60-25,790,038.80

Finding the Fourth Proportional to 87,200,998.80, 130,777,878.60 and 25,790,038.80

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Solution

The fourth proportional to 87,200,998.80, 130,777,878.60 and 25,790,038.80 is: 38,678,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,200,998.80 : 130,777,878.60 = 25,790,038.80 : x
  2. Step 2: Convert to fraction form
    87,200,998.80/130,777,878.60 = 25,790,038.80/x
  3. Step 3: Cross multiply
    87,200,998.80x = 130,777,878.60 × 25,790,038.80
  4. Step 4: Simplify right side
    87,200,998.80x = 3,372,766,563,275,689.50
  5. Step 5: Solve for x
    x = 3,372,766,563,275,689.50/87,200,998.80
  6. Step 6: Final answer
    x = 38,678,072.61

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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.