Home / 100,196,665.92-150,079,053.60-67,669,706.16

Finding the Fourth Proportional to 100,196,665.92, 150,079,053.60 and 67,669,706.16

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Solution

The fourth proportional to 100,196,665.92, 150,079,053.60 and 67,669,706.16 is: 101,358,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,196,665.92 : 150,079,053.60 = 67,669,706.16 : x
  2. Step 2: Convert to fraction form
    100,196,665.92/150,079,053.60 = 67,669,706.16/x
  3. Step 3: Cross multiply
    100,196,665.92x = 150,079,053.60 × 67,669,706.16
  4. Step 4: Simplify right side
    100,196,665.92x = 10,155,805,457,882,890
  5. Step 5: Solve for x
    x = 10,155,805,457,882,890/100,196,665.92
  6. Step 6: Final answer
    x = 101,358,716.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.