Home / 169,649,378.76-234,135,144.46-102,705,235.86

Finding the Fourth Proportional to 169,649,378.76, 234,135,144.46 and 102,705,235.86

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Solution

The fourth proportional to 169,649,378.76, 234,135,144.46 and 102,705,235.86 is: 141,744,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,649,378.76 : 234,135,144.46 = 102,705,235.86 : x
  2. Step 2: Convert to fraction form
    169,649,378.76/234,135,144.46 = 102,705,235.86/x
  3. Step 3: Cross multiply
    169,649,378.76x = 234,135,144.46 × 102,705,235.86
  4. Step 4: Simplify right side
    169,649,378.76x = 24,046,905,234,879,472
  5. Step 5: Solve for x
    x = 24,046,905,234,879,472/169,649,378.76
  6. Step 6: Final answer
    x = 141,744,729.10

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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.