Home / 117,517,874.78-162,003,746.39-82,125,798.68

Finding the Fourth Proportional to 117,517,874.78, 162,003,746.39 and 82,125,798.68

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Solution

The fourth proportional to 117,517,874.78, 162,003,746.39 and 82,125,798.68 is: 113,214,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517,874.78 : 162,003,746.39 = 82,125,798.68 : x
  2. Step 2: Convert to fraction form
    117,517,874.78/162,003,746.39 = 82,125,798.68/x
  3. Step 3: Cross multiply
    117,517,874.78x = 162,003,746.39 × 82,125,798.68
  4. Step 4: Simplify right side
    117,517,874.78x = 13,304,687,060,210,268
  5. Step 5: Solve for x
    x = 13,304,687,060,210,268/117,517,874.78
  6. Step 6: Final answer
    x = 113,214,156.45

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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.