Home / 231,754,692.20-347,632,038.30-88,128,861.80

Finding the Fourth Proportional to 231,754,692.20, 347,632,038.30 and 88,128,861.80

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Solution

The fourth proportional to 231,754,692.20, 347,632,038.30 and 88,128,861.80 is: 132,193,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,754,692.20 : 347,632,038.30 = 88,128,861.80 : x
  2. Step 2: Convert to fraction form
    231,754,692.20/347,632,038.30 = 88,128,861.80/x
  3. Step 3: Cross multiply
    231,754,692.20x = 347,632,038.30 × 88,128,861.80
  4. Step 4: Simplify right side
    231,754,692.20x = 30,636,415,860,593,008
  5. Step 5: Solve for x
    x = 30,636,415,860,593,008/231,754,692.20
  6. Step 6: Final answer
    x = 132,193,292.70

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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.