Home / 217,269,406.80-325,904,110.20-102,478,150.80

Finding the Fourth Proportional to 217,269,406.80, 325,904,110.20 and 102,478,150.80

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Solution

The fourth proportional to 217,269,406.80, 325,904,110.20 and 102,478,150.80 is: 153,717,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,269,406.80 : 325,904,110.20 = 102,478,150.80 : x
  2. Step 2: Convert to fraction form
    217,269,406.80/325,904,110.20 = 102,478,150.80/x
  3. Step 3: Cross multiply
    217,269,406.80x = 325,904,110.20 × 102,478,150.80
  4. Step 4: Simplify right side
    217,269,406.80x = 33,398,050,551,415,416
  5. Step 5: Solve for x
    x = 33,398,050,551,415,416/217,269,406.80
  6. Step 6: Final answer
    x = 153,717,226.20

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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.