Home / 152,989,141.33-229,551,479.84-80,188,620.67

Finding the Fourth Proportional to 152,989,141.33, 229,551,479.84 and 80,188,620.67

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Solution

The fourth proportional to 152,989,141.33, 229,551,479.84 and 80,188,620.67 is: 120,318,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,989,141.33 : 229,551,479.84 = 80,188,620.67 : x
  2. Step 2: Convert to fraction form
    152,989,141.33/229,551,479.84 = 80,188,620.67/x
  3. Step 3: Cross multiply
    152,989,141.33x = 229,551,479.84 × 80,188,620.67
  4. Step 4: Simplify right side
    152,989,141.33x = 18,407,416,541,126,912
  5. Step 5: Solve for x
    x = 18,407,416,541,126,912/152,989,141.33
  6. Step 6: Final answer
    x = 120,318,451.24

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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.