Home / 248,817,251.52-343,367,952.93-138,808,964.52

Finding the Fourth Proportional to 248,817,251.52, 343,367,952.93 and 138,808,964.52

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Solution

The fourth proportional to 248,817,251.52, 343,367,952.93 and 138,808,964.52 is: 191,556,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,817,251.52 : 343,367,952.93 = 138,808,964.52 : x
  2. Step 2: Convert to fraction form
    248,817,251.52/343,367,952.93 = 138,808,964.52/x
  3. Step 3: Cross multiply
    248,817,251.52x = 343,367,952.93 × 138,808,964.52
  4. Step 4: Simplify right side
    248,817,251.52x = 47,662,549,995,565,408
  5. Step 5: Solve for x
    x = 47,662,549,995,565,408/248,817,251.52
  6. Step 6: Final answer
    x = 191,556,452.39

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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.