Home / 131,363,241.20-197,044,861.80-82,990,300.40

Finding the Fourth Proportional to 131,363,241.20, 197,044,861.80 and 82,990,300.40

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Solution

The fourth proportional to 131,363,241.20, 197,044,861.80 and 82,990,300.40 is: 124,485,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,363,241.20 : 197,044,861.80 = 82,990,300.40 : x
  2. Step 2: Convert to fraction form
    131,363,241.20/197,044,861.80 = 82,990,300.40/x
  3. Step 3: Cross multiply
    131,363,241.20x = 197,044,861.80 × 82,990,300.40
  4. Step 4: Simplify right side
    131,363,241.20x = 16,352,812,273,058,486
  5. Step 5: Solve for x
    x = 16,352,812,273,058,486/131,363,241.20
  6. Step 6: Final answer
    x = 124,485,450.60

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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.