Home / 261,024,857.76-360,112,358.16-149,456,076.96

Finding the Fourth Proportional to 261,024,857.76, 360,112,358.16 and 149,456,076.96

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Solution

The fourth proportional to 261,024,857.76, 360,112,358.16 and 149,456,076.96 is: 206,191,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,024,857.76 : 360,112,358.16 = 149,456,076.96 : x
  2. Step 2: Convert to fraction form
    261,024,857.76/360,112,358.16 = 149,456,076.96/x
  3. Step 3: Cross multiply
    261,024,857.76x = 360,112,358.16 × 149,456,076.96
  4. Step 4: Simplify right side
    261,024,857.76x = 53,820,980,315,408,048
  5. Step 5: Solve for x
    x = 53,820,980,315,408,048/261,024,857.76
  6. Step 6: Final answer
    x = 206,191,014.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.