Home / 218,305,965.48-326,936,915.40-125,909,583.33

Finding the Fourth Proportional to 218,305,965.48, 326,936,915.40 and 125,909,583.33

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Solution

The fourth proportional to 218,305,965.48, 326,936,915.40 and 125,909,583.33 is: 188,563,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,305,965.48 : 326,936,915.40 = 125,909,583.33 : x
  2. Step 2: Convert to fraction form
    218,305,965.48/326,936,915.40 = 125,909,583.33/x
  3. Step 3: Cross multiply
    218,305,965.48x = 326,936,915.40 × 125,909,583.33
  4. Step 4: Simplify right side
    218,305,965.48x = 41,164,490,791,172,496
  5. Step 5: Solve for x
    x = 41,164,490,791,172,496/218,305,965.48
  6. Step 6: Final answer
    x = 188,563,288.69

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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.