Home / 77,201,216.98-115,805,549.87-25,384,672.45

Finding the Fourth Proportional to 77,201,216.98, 115,805,549.87 and 25,384,672.45

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Solution

The fourth proportional to 77,201,216.98, 115,805,549.87 and 25,384,672.45 is: 38,078,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201,216.98 : 115,805,549.87 = 25,384,672.45 : x
  2. Step 2: Convert to fraction form
    77,201,216.98/115,805,549.87 = 25,384,672.45/x
  3. Step 3: Cross multiply
    77,201,216.98x = 115,805,549.87 × 25,384,672.45
  4. Step 4: Simplify right side
    77,201,216.98x = 2,939,685,951,342,090
  5. Step 5: Solve for x
    x = 2,939,685,951,342,090/77,201,216.98
  6. Step 6: Final answer
    x = 38,078,233.30

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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.