Home / 159,320,894.88-238,873,725.30-81,406,329.90

Finding the Fourth Proportional to 159,320,894.88, 238,873,725.30 and 81,406,329.90

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Solution

The fourth proportional to 159,320,894.88, 238,873,725.30 and 81,406,329.90 is: 122,054,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,320,894.88 : 238,873,725.30 = 81,406,329.90 : x
  2. Step 2: Convert to fraction form
    159,320,894.88/238,873,725.30 = 81,406,329.90/x
  3. Step 3: Cross multiply
    159,320,894.88x = 238,873,725.30 × 81,406,329.90
  4. Step 4: Simplify right side
    159,320,894.88x = 19,445,833,286,213,780
  5. Step 5: Solve for x
    x = 19,445,833,286,213,780/159,320,894.88
  6. Step 6: Final answer
    x = 122,054,507.04

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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.