Home / 169,119,282.38-233,380,640.27-99,509,171.90

Finding the Fourth Proportional to 169,119,282.38, 233,380,640.27 and 99,509,171.90

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Solution

The fourth proportional to 169,119,282.38, 233,380,640.27 and 99,509,171.90 is: 137,320,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,119,282.38 : 233,380,640.27 = 99,509,171.90 : x
  2. Step 2: Convert to fraction form
    169,119,282.38/233,380,640.27 = 99,509,171.90/x
  3. Step 3: Cross multiply
    169,119,282.38x = 233,380,640.27 × 99,509,171.90
  4. Step 4: Simplify right side
    169,119,282.38x = 23,223,514,249,841,360
  5. Step 5: Solve for x
    x = 23,223,514,249,841,360/169,119,282.38
  6. Step 6: Final answer
    x = 137,320,321.63

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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.