Home / 298,215,744.88-447,115,773.48-132,128,973.10

Finding the Fourth Proportional to 298,215,744.88, 447,115,773.48 and 132,128,973.10

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Solution

The fourth proportional to 298,215,744.88, 447,115,773.48 and 132,128,973.10 is: 198,101,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,215,744.88 : 447,115,773.48 = 132,128,973.10 : x
  2. Step 2: Convert to fraction form
    298,215,744.88/447,115,773.48 = 132,128,973.10/x
  3. Step 3: Cross multiply
    298,215,744.88x = 447,115,773.48 × 132,128,973.10
  4. Step 4: Simplify right side
    298,215,744.88x = 59,076,948,006,724,616
  5. Step 5: Solve for x
    x = 59,076,948,006,724,616/298,215,744.88
  6. Step 6: Final answer
    x = 198,101,371.31

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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.