Home / 255,204,431.20-382,806,646.80-125,873,999.20

Finding the Fourth Proportional to 255,204,431.20, 382,806,646.80 and 125,873,999.20

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Solution

The fourth proportional to 255,204,431.20, 382,806,646.80 and 125,873,999.20 is: 188,810,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,204,431.20 : 382,806,646.80 = 125,873,999.20 : x
  2. Step 2: Convert to fraction form
    255,204,431.20/382,806,646.80 = 125,873,999.20/x
  3. Step 3: Cross multiply
    255,204,431.20x = 382,806,646.80 × 125,873,999.20
  4. Step 4: Simplify right side
    255,204,431.20x = 48,185,403,553,057,888
  5. Step 5: Solve for x
    x = 48,185,403,553,057,888/255,204,431.20
  6. Step 6: Final answer
    x = 188,810,998.80

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1.5x scale

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.