Home / 269,475,411.70-371,878,291.92-148,777,287.40

Finding the Fourth Proportional to 269,475,411.70, 371,878,291.92 and 148,777,287.40

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Solution

The fourth proportional to 269,475,411.70, 371,878,291.92 and 148,777,287.40 is: 205,313,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,475,411.70 : 371,878,291.92 = 148,777,287.40 : x
  2. Step 2: Convert to fraction form
    269,475,411.70/371,878,291.92 = 148,777,287.40/x
  3. Step 3: Cross multiply
    269,475,411.70x = 371,878,291.92 × 148,777,287.40
  4. Step 4: Simplify right side
    269,475,411.70x = 55,327,043,514,802,944
  5. Step 5: Solve for x
    x = 55,327,043,514,802,944/269,475,411.70
  6. Step 6: Final answer
    x = 205,313,884.36

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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.