Home / 106,412,435.21-146,853,518.40-67,239,919.10

Finding the Fourth Proportional to 106,412,435.21, 146,853,518.40 and 67,239,919.10

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Solution

The fourth proportional to 106,412,435.21, 146,853,518.40 and 67,239,919.10 is: 92,793,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,412,435.21 : 146,853,518.40 = 67,239,919.10 : x
  2. Step 2: Convert to fraction form
    106,412,435.21/146,853,518.40 = 67,239,919.10/x
  3. Step 3: Cross multiply
    106,412,435.21x = 146,853,518.40 × 67,239,919.10
  4. Step 4: Simplify right side
    106,412,435.21x = 9,874,418,696,032,094
  5. Step 5: Solve for x
    x = 9,874,418,696,032,094/106,412,435.21
  6. Step 6: Final answer
    x = 92,793,841.97

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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.