Home / 225,294,665.68-310,853,350.92-127,509,518.80

Finding the Fourth Proportional to 225,294,665.68, 310,853,350.92 and 127,509,518.80

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Solution

The fourth proportional to 225,294,665.68, 310,853,350.92 and 127,509,518.80 is: 175,932,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,294,665.68 : 310,853,350.92 = 127,509,518.80 : x
  2. Step 2: Convert to fraction form
    225,294,665.68/310,853,350.92 = 127,509,518.80/x
  3. Step 3: Cross multiply
    225,294,665.68x = 310,853,350.92 × 127,509,518.80
  4. Step 4: Simplify right side
    225,294,665.68x = 39,636,761,193,176,736
  5. Step 5: Solve for x
    x = 39,636,761,193,176,736/225,294,665.68
  6. Step 6: Final answer
    x = 175,932,976.81

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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.