Home / 86,381,328-119,207,648.88-51,577,059.84

Finding the Fourth Proportional to 86,381,328, 119,207,648.88 and 51,577,059.84

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Solution

The fourth proportional to 86,381,328, 119,207,648.88 and 51,577,059.84 is: 71,177,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,381,328 : 119,207,648.88 = 51,577,059.84 : x
  2. Step 2: Convert to fraction form
    86,381,328/119,207,648.88 = 51,577,059.84/x
  3. Step 3: Cross multiply
    86,381,328x = 119,207,648.88 × 51,577,059.84
  4. Step 4: Simplify right side
    86,381,328x = 6,148,380,039,669,469
  5. Step 5: Solve for x
    x = 6,148,380,039,669,469/86,381,328
  6. Step 6: Final answer
    x = 71,177,188.20

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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.