Home / 296,353,178.50-408,967,386.34-165,972,986.50

Finding the Fourth Proportional to 296,353,178.50, 408,967,386.34 and 165,972,986.50

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Solution

The fourth proportional to 296,353,178.50, 408,967,386.34 and 165,972,986.50 is: 229,042,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,353,178.50 : 408,967,386.34 = 165,972,986.50 : x
  2. Step 2: Convert to fraction form
    296,353,178.50/408,967,386.34 = 165,972,986.50/x
  3. Step 3: Cross multiply
    296,353,178.50x = 408,967,386.34 × 165,972,986.50
  4. Step 4: Simplify right side
    296,353,178.50x = 67,877,538,491,949,104
  5. Step 5: Solve for x
    x = 67,877,538,491,949,104/296,353,178.50
  6. Step 6: Final answer
    x = 229,042,721.38

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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.