Home / 77,201,178.90-115,805,492.52-25,384,634.34

Finding the Fourth Proportional to 77,201,178.90, 115,805,492.52 and 25,384,634.34

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Solution

The fourth proportional to 77,201,178.90, 115,805,492.52 and 25,384,634.34 is: 38,078,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201,178.90 : 115,805,492.52 = 25,384,634.34 : x
  2. Step 2: Convert to fraction form
    77,201,178.90/115,805,492.52 = 25,384,634.34/x
  3. Step 3: Cross multiply
    77,201,178.90x = 115,805,492.52 × 25,384,634.34
  4. Step 4: Simplify right side
    77,201,178.90x = 2,939,680,082,183,805
  5. Step 5: Solve for x
    x = 2,939,680,082,183,805/77,201,178.90
  6. Step 6: Final answer
    x = 38,078,176.06

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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.