Home / 86,339,727.90-129,493,003.05-25,757,430.30

Finding the Fourth Proportional to 86,339,727.90, 129,493,003.05 and 25,757,430.30

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Solution

The fourth proportional to 86,339,727.90, 129,493,003.05 and 25,757,430.30 is: 38,631,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339,727.90 : 129,493,003.05 = 25,757,430.30 : x
  2. Step 2: Convert to fraction form
    86,339,727.90/129,493,003.05 = 25,757,430.30/x
  3. Step 3: Cross multiply
    86,339,727.90x = 129,493,003.05 × 25,757,430.30
  4. Step 4: Simplify right side
    86,339,727.90x = 3,335,407,000,398,062.50
  5. Step 5: Solve for x
    x = 3,335,407,000,398,062.50/86,339,727.90
  6. Step 6: Final answer
    x = 38,631,196.57

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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.