Home / 272,243,043.90-408,523,998.15-99,737,295.30

Finding the Fourth Proportional to 272,243,043.90, 408,523,998.15 and 99,737,295.30

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Solution

The fourth proportional to 272,243,043.90, 408,523,998.15 and 99,737,295.30 is: 149,664,351.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,243,043.90 : 408,523,998.15 = 99,737,295.30 : x
  2. Step 2: Convert to fraction form
    272,243,043.90/408,523,998.15 = 99,737,295.30/x
  3. Step 3: Cross multiply
    272,243,043.90x = 408,523,998.15 × 99,737,295.30
  4. Step 4: Simplify right side
    272,243,043.90x = 40,745,078,640,623,200
  5. Step 5: Solve for x
    x = 40,745,078,640,623,200/272,243,043.90
  6. Step 6: Final answer
    x = 149,664,351.59

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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.