Home / 77,201,262.31-115,805,617.91-25,384,717.84

Finding the Fourth Proportional to 77,201,262.31, 115,805,617.91 and 25,384,717.84

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Solution

The fourth proportional to 77,201,262.31, 115,805,617.91 and 25,384,717.84 is: 38,078,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201,262.31 : 115,805,617.91 = 25,384,717.84 : x
  2. Step 2: Convert to fraction form
    77,201,262.31/115,805,617.91 = 25,384,717.84/x
  3. Step 3: Cross multiply
    77,201,262.31x = 115,805,617.91 × 25,384,717.84
  4. Step 4: Simplify right side
    77,201,262.31x = 2,939,692,934,932,200.50
  5. Step 5: Solve for x
    x = 2,939,692,934,932,200.50/77,201,262.31
  6. Step 6: Final answer
    x = 38,078,301.40

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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.