Home / 89,659,613.80-134,489,420.70-53,379,908.20

Finding the Fourth Proportional to 89,659,613.80, 134,489,420.70 and 53,379,908.20

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Solution

The fourth proportional to 89,659,613.80, 134,489,420.70 and 53,379,908.20 is: 80,069,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,659,613.80 : 134,489,420.70 = 53,379,908.20 : x
  2. Step 2: Convert to fraction form
    89,659,613.80/134,489,420.70 = 53,379,908.20/x
  3. Step 3: Cross multiply
    89,659,613.80x = 134,489,420.70 × 53,379,908.20
  4. Step 4: Simplify right side
    89,659,613.80x = 7,179,032,930,837,180
  5. Step 5: Solve for x
    x = 7,179,032,930,837,180/89,659,613.80
  6. Step 6: Final answer
    x = 80,069,862.30

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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.