Home / 86,193,863.45-118,950,059.90-47,038,168.61

Finding the Fourth Proportional to 86,193,863.45, 118,950,059.90 and 47,038,168.61

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Solution

The fourth proportional to 86,193,863.45, 118,950,059.90 and 47,038,168.61 is: 64,914,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193,863.45 : 118,950,059.90 = 47,038,168.61 : x
  2. Step 2: Convert to fraction form
    86,193,863.45/118,950,059.90 = 47,038,168.61/x
  3. Step 3: Cross multiply
    86,193,863.45x = 118,950,059.90 × 47,038,168.61
  4. Step 4: Simplify right side
    86,193,863.45x = 5,595,192,973,745,800
  5. Step 5: Solve for x
    x = 5,595,192,973,745,800/86,193,863.45
  6. Step 6: Final answer
    x = 64,914,052.46

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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.