Home / 98,111,528.98-135,351,367-58,396,790.80

Finding the Fourth Proportional to 98,111,528.98, 135,351,367 and 58,396,790.80

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Solution

The fourth proportional to 98,111,528.98, 135,351,367 and 58,396,790.80 is: 80,562,249.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,111,528.98 : 135,351,367 = 58,396,790.80 : x
  2. Step 2: Convert to fraction form
    98,111,528.98/135,351,367 = 58,396,790.80/x
  3. Step 3: Cross multiply
    98,111,528.98x = 135,351,367 × 58,396,790.80
  4. Step 4: Simplify right side
    98,111,528.98x = 7,904,085,463,193,023
  5. Step 5: Solve for x
    x = 7,904,085,463,193,023/98,111,528.98
  6. Step 6: Final answer
    x = 80,562,249.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.