Home / 258,284,131.66-387,427,598.61-76,532,884.30

Finding the Fourth Proportional to 258,284,131.66, 387,427,598.61 and 76,532,884.30

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Solution

The fourth proportional to 258,284,131.66, 387,427,598.61 and 76,532,884.30 is: 114,799,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,284,131.66 : 387,427,598.61 = 76,532,884.30 : x
  2. Step 2: Convert to fraction form
    258,284,131.66/387,427,598.61 = 76,532,884.30/x
  3. Step 3: Cross multiply
    258,284,131.66x = 387,427,598.61 × 76,532,884.30
  4. Step 4: Simplify right side
    258,284,131.66x = 29,650,951,579,045,972
  5. Step 5: Solve for x
    x = 29,650,951,579,045,972/258,284,131.66
  6. Step 6: Final answer
    x = 114,799,741.62

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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.