Home / 107,609,838.25-161,413,693.63-49,300,976.78

Finding the Fourth Proportional to 107,609,838.25, 161,413,693.63 and 49,300,976.78

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Solution

The fourth proportional to 107,609,838.25, 161,413,693.63 and 49,300,976.78 is: 73,950,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,609,838.25 : 161,413,693.63 = 49,300,976.78 : x
  2. Step 2: Convert to fraction form
    107,609,838.25/161,413,693.63 = 49,300,976.78/x
  3. Step 3: Cross multiply
    107,609,838.25x = 161,413,693.63 × 49,300,976.78
  4. Step 4: Simplify right side
    107,609,838.25x = 7,957,852,761,626,664
  5. Step 5: Solve for x
    x = 7,957,852,761,626,664/107,609,838.25
  6. Step 6: Final answer
    x = 73,950,977.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.