Home / 126,606,971.04-189,904,745.28-52,800,354.24

Finding the Fourth Proportional to 126,606,971.04, 189,904,745.28 and 52,800,354.24

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Solution

The fourth proportional to 126,606,971.04, 189,904,745.28 and 52,800,354.24 is: 79,198,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,606,971.04 : 189,904,745.28 = 52,800,354.24 : x
  2. Step 2: Convert to fraction form
    126,606,971.04/189,904,745.28 = 52,800,354.24/x
  3. Step 3: Cross multiply
    126,606,971.04x = 189,904,745.28 × 52,800,354.24
  4. Step 4: Simplify right side
    126,606,971.04x = 10,027,037,822,640,968
  5. Step 5: Solve for x
    x = 10,027,037,822,640,968/126,606,971.04
  6. Step 6: Final answer
    x = 79,198,149.52

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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.