Home / 131,363,486.70-197,045,230.05-82,990,545.90

Finding the Fourth Proportional to 131,363,486.70, 197,045,230.05 and 82,990,545.90

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Solution

The fourth proportional to 131,363,486.70, 197,045,230.05 and 82,990,545.90 is: 124,485,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,363,486.70 : 197,045,230.05 = 82,990,545.90 : x
  2. Step 2: Convert to fraction form
    131,363,486.70/197,045,230.05 = 82,990,545.90/x
  3. Step 3: Cross multiply
    131,363,486.70x = 197,045,230.05 × 82,990,545.90
  4. Step 4: Simplify right side
    131,363,486.70x = 16,352,891,208,840,586
  5. Step 5: Solve for x
    x = 16,352,891,208,840,586/131,363,486.70
  6. Step 6: Final answer
    x = 124,485,818.85

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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.