Home / 172,678,555.23-259,152,150.57-120,524,342.25

Finding the Fourth Proportional to 172,678,555.23, 259,152,150.57 and 120,524,342.25

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Solution

The fourth proportional to 172,678,555.23, 259,152,150.57 and 120,524,342.25 is: 180,880,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,678,555.23 : 259,152,150.57 = 120,524,342.25 : x
  2. Step 2: Convert to fraction form
    172,678,555.23/259,152,150.57 = 120,524,342.25/x
  3. Step 3: Cross multiply
    172,678,555.23x = 259,152,150.57 × 120,524,342.25
  4. Step 4: Simplify right side
    172,678,555.23x = 31,234,142,490,122,212
  5. Step 5: Solve for x
    x = 31,234,142,490,122,212/172,678,555.23
  6. Step 6: Final answer
    x = 180,880,263.03

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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.