Home / 162,379,422.80-243,569,134.20-146,255,109.20

Finding the Fourth Proportional to 162,379,422.80, 243,569,134.20 and 146,255,109.20

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Solution

The fourth proportional to 162,379,422.80, 243,569,134.20 and 146,255,109.20 is: 219,382,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,379,422.80 : 243,569,134.20 = 146,255,109.20 : x
  2. Step 2: Convert to fraction form
    162,379,422.80/243,569,134.20 = 146,255,109.20/x
  3. Step 3: Cross multiply
    162,379,422.80x = 243,569,134.20 × 146,255,109.20
  4. Step 4: Simplify right side
    162,379,422.80x = 35,623,230,320,170,448
  5. Step 5: Solve for x
    x = 35,623,230,320,170,448/162,379,422.80
  6. Step 6: Final answer
    x = 219,382,663.80

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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.