Home / 220,904,125.45-331,284,070.63-73,312,039.33

Finding the Fourth Proportional to 220,904,125.45, 331,284,070.63 and 73,312,039.33

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Solution

The fourth proportional to 220,904,125.45, 331,284,070.63 and 73,312,039.33 is: 109,944,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,904,125.45 : 331,284,070.63 = 73,312,039.33 : x
  2. Step 2: Convert to fraction form
    220,904,125.45/331,284,070.63 = 73,312,039.33/x
  3. Step 3: Cross multiply
    220,904,125.45x = 331,284,070.63 × 73,312,039.33
  4. Step 4: Simplify right side
    220,904,125.45x = 24,287,110,815,429,056
  5. Step 5: Solve for x
    x = 24,287,110,815,429,056/220,904,125.45
  6. Step 6: Final answer
    x = 109,944,125.15

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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.