Home / 267,916,987.72-369,619,929.30-154,811,743.48

Finding the Fourth Proportional to 267,916,987.72, 369,619,929.30 and 154,811,743.48

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Solution

The fourth proportional to 267,916,987.72, 369,619,929.30 and 154,811,743.48 is: 213,579,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,916,987.72 : 369,619,929.30 = 154,811,743.48 : x
  2. Step 2: Convert to fraction form
    267,916,987.72/369,619,929.30 = 154,811,743.48/x
  3. Step 3: Cross multiply
    267,916,987.72x = 369,619,929.30 × 154,811,743.48
  4. Step 4: Simplify right side
    267,916,987.72x = 57,221,505,679,887,336
  5. Step 5: Solve for x
    x = 57,221,505,679,887,336/267,916,987.72
  6. Step 6: Final answer
    x = 213,579,236.49

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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.