Home / 117,632,222.92-162,336,946.60-65,425,033.72

Finding the Fourth Proportional to 117,632,222.92, 162,336,946.60 and 65,425,033.72

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Solution

The fourth proportional to 117,632,222.92, 162,336,946.60 and 65,425,033.72 is: 90,289,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,632,222.92 : 162,336,946.60 = 65,425,033.72 : x
  2. Step 2: Convert to fraction form
    117,632,222.92/162,336,946.60 = 65,425,033.72/x
  3. Step 3: Cross multiply
    117,632,222.92x = 162,336,946.60 × 65,425,033.72
  4. Step 4: Simplify right side
    117,632,222.92x = 10,620,900,205,306,838
  5. Step 5: Solve for x
    x = 10,620,900,205,306,838/117,632,222.92
  6. Step 6: Final answer
    x = 90,289,037.66

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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.