Home / 172,680,188.58-259,154,601.12-120,525,973.38

Finding the Fourth Proportional to 172,680,188.58, 259,154,601.12 and 120,525,973.38

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Solution

The fourth proportional to 172,680,188.58, 259,154,601.12 and 120,525,973.38 is: 180,882,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,680,188.58 : 259,154,601.12 = 120,525,973.38 : x
  2. Step 2: Convert to fraction form
    172,680,188.58/259,154,601.12 = 120,525,973.38/x
  3. Step 3: Cross multiply
    172,680,188.58x = 259,154,601.12 × 120,525,973.38
  4. Step 4: Simplify right side
    172,680,188.58x = 31,234,860,555,893,636
  5. Step 5: Solve for x
    x = 31,234,860,555,893,636/172,680,188.58
  6. Step 6: Final answer
    x = 180,882,710.48

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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.