Home / 172,499,346.24-258,754,272.12-67,450,494.60

Finding the Fourth Proportional to 172,499,346.24, 258,754,272.12 and 67,450,494.60

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Solution

The fourth proportional to 172,499,346.24, 258,754,272.12 and 67,450,494.60 is: 101,177,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,499,346.24 : 258,754,272.12 = 67,450,494.60 : x
  2. Step 2: Convert to fraction form
    172,499,346.24/258,754,272.12 = 67,450,494.60/x
  3. Step 3: Cross multiply
    172,499,346.24x = 258,754,272.12 × 67,450,494.60
  4. Step 4: Simplify right side
    172,499,346.24x = 17,453,103,634,356,990
  5. Step 5: Solve for x
    x = 17,453,103,634,356,990/172,499,346.24
  6. Step 6: Final answer
    x = 101,177,795.83

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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.