Home / 91,448,982.38-126,199,720.65-49,633,048.32

Finding the Fourth Proportional to 91,448,982.38, 126,199,720.65 and 49,633,048.32

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Solution

The fourth proportional to 91,448,982.38, 126,199,720.65 and 49,633,048.32 is: 68,493,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,448,982.38 : 126,199,720.65 = 49,633,048.32 : x
  2. Step 2: Convert to fraction form
    91,448,982.38/126,199,720.65 = 49,633,048.32/x
  3. Step 3: Cross multiply
    91,448,982.38x = 126,199,720.65 × 49,633,048.32
  4. Step 4: Simplify right side
    91,448,982.38x = 6,263,676,833,135,266
  5. Step 5: Solve for x
    x = 6,263,676,833,135,266/91,448,982.38
  6. Step 6: Final answer
    x = 68,493,674.51

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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.