Home / 117,518,628.90-162,004,785.03-82,126,552.62

Finding the Fourth Proportional to 117,518,628.90, 162,004,785.03 and 82,126,552.62

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Solution

The fourth proportional to 117,518,628.90, 162,004,785.03 and 82,126,552.62 is: 113,215,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,518,628.90 : 162,004,785.03 = 82,126,552.62 : x
  2. Step 2: Convert to fraction form
    117,518,628.90/162,004,785.03 = 82,126,552.62/x
  3. Step 3: Cross multiply
    117,518,628.90x = 162,004,785.03 × 82,126,552.62
  4. Step 4: Simplify right side
    117,518,628.90x = 13,304,894,502,458,084
  5. Step 5: Solve for x
    x = 13,304,894,502,458,084/117,518,628.90
  6. Step 6: Final answer
    x = 113,215,195.13

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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.