Home / 159,529,684.61-220,150,751.67-86,190,826.61

Finding the Fourth Proportional to 159,529,684.61, 220,150,751.67 and 86,190,826.61

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Solution

The fourth proportional to 159,529,684.61, 220,150,751.67 and 86,190,826.61 is: 118,943,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,529,684.61 : 220,150,751.67 = 86,190,826.61 : x
  2. Step 2: Convert to fraction form
    159,529,684.61/220,150,751.67 = 86,190,826.61/x
  3. Step 3: Cross multiply
    159,529,684.61x = 220,150,751.67 × 86,190,826.61
  4. Step 4: Simplify right side
    159,529,684.61x = 18,974,975,265,800,512
  5. Step 5: Solve for x
    x = 18,974,975,265,800,512/159,529,684.61
  6. Step 6: Final answer
    x = 118,943,225.59

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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.