Home / 225,344,515,390.12-310,982,889,079.80-123,849,998,240.68

Finding the Fourth Proportional to 225,344,515,390.12, 310,982,889,079.80 and 123,849,998,240.68

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Solution

The fourth proportional to 225,344,515,390.12, 310,982,889,079.80 and 123,849,998,240.68 is: 170,917,096,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,344,515,390.12 : 310,982,889,079.80 = 123,849,998,240.68 : x
  2. Step 2: Convert to fraction form
    225,344,515,390.12/310,982,889,079.80 = 123,849,998,240.68/x
  3. Step 3: Cross multiply
    225,344,515,390.12x = 310,982,889,079.80 × 123,849,998,240.68
  4. Step 4: Simplify right side
    225,344,515,390.12x = 38,515,230,265,414,806,142,976
  5. Step 5: Solve for x
    x = 38,515,230,265,414,806,142,976/225,344,515,390.12
  6. Step 6: Final answer
    x = 170,917,096,423.39

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Double scale
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1.5x scale

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.