Home / 147,981,130.90-204,214,397.58-81,906,218.44

Finding the Fourth Proportional to 147,981,130.90, 204,214,397.58 and 81,906,218.44

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Solution

The fourth proportional to 147,981,130.90, 204,214,397.58 and 81,906,218.44 is: 113,030,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,981,130.90 : 204,214,397.58 = 81,906,218.44 : x
  2. Step 2: Convert to fraction form
    147,981,130.90/204,214,397.58 = 81,906,218.44/x
  3. Step 3: Cross multiply
    147,981,130.90x = 204,214,397.58 × 81,906,218.44
  4. Step 4: Simplify right side
    147,981,130.90x = 16,726,429,056,269,952
  5. Step 5: Solve for x
    x = 16,726,429,056,269,952/147,981,130.90
  6. Step 6: Final answer
    x = 113,030,823.29

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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.