Home / 141,422,841.27-195,180,509.25-85,666,626.81

Finding the Fourth Proportional to 141,422,841.27, 195,180,509.25 and 85,666,626.81

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Solution

The fourth proportional to 141,422,841.27, 195,180,509.25 and 85,666,626.81 is: 118,230,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,422,841.27 : 195,180,509.25 = 85,666,626.81 : x
  2. Step 2: Convert to fraction form
    141,422,841.27/195,180,509.25 = 85,666,626.81/x
  3. Step 3: Cross multiply
    141,422,841.27x = 195,180,509.25 × 85,666,626.81
  4. Step 4: Simplify right side
    141,422,841.27x = 16,720,455,846,505,504
  5. Step 5: Solve for x
    x = 16,720,455,846,505,504/141,422,841.27
  6. Step 6: Final answer
    x = 118,230,235.63

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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.