Home / 151,751,251.92-209,417,358.22-82,136,632.81

Finding the Fourth Proportional to 151,751,251.92, 209,417,358.22 and 82,136,632.81

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Solution

The fourth proportional to 151,751,251.92, 209,417,358.22 and 82,136,632.81 is: 113,348,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,751,251.92 : 209,417,358.22 = 82,136,632.81 : x
  2. Step 2: Convert to fraction form
    151,751,251.92/209,417,358.22 = 82,136,632.81/x
  3. Step 3: Cross multiply
    151,751,251.92x = 209,417,358.22 × 82,136,632.81
  4. Step 4: Simplify right side
    151,751,251.92x = 17,200,836,655,584,066
  5. Step 5: Solve for x
    x = 17,200,836,655,584,066/151,751,251.92
  6. Step 6: Final answer
    x = 113,348,894.57

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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.