Home / 86,193,861.45-118,950,057.14-47,038,166.61

Finding the Fourth Proportional to 86,193,861.45, 118,950,057.14 and 47,038,166.61

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Solution

The fourth proportional to 86,193,861.45, 118,950,057.14 and 47,038,166.61 is: 64,914,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193,861.45 : 118,950,057.14 = 47,038,166.61 : x
  2. Step 2: Convert to fraction form
    86,193,861.45/118,950,057.14 = 47,038,166.61/x
  3. Step 3: Cross multiply
    86,193,861.45x = 118,950,057.14 × 47,038,166.61
  4. Step 4: Simplify right side
    86,193,861.45x = 5,595,192,605,785,149
  5. Step 5: Solve for x
    x = 5,595,192,605,785,149/86,193,861.45
  6. Step 6: Final answer
    x = 64,914,049.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.