Home / 270,103,545-404,507,921.76-138,599,759.88

Finding the Fourth Proportional to 270,103,545, 404,507,921.76 and 138,599,759.88

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Solution

The fourth proportional to 270,103,545, 404,507,921.76 and 138,599,759.88 is: 207,567,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,103,545 : 404,507,921.76 = 138,599,759.88 : x
  2. Step 2: Convert to fraction form
    270,103,545/404,507,921.76 = 138,599,759.88/x
  3. Step 3: Cross multiply
    270,103,545x = 404,507,921.76 × 138,599,759.88
  4. Step 4: Simplify right side
    270,103,545x = 56,064,700,825,493,824
  5. Step 5: Solve for x
    x = 56,064,700,825,493,824/270,103,545
  6. Step 6: Final answer
    x = 207,567,437.98

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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.