Home / 318,733,232.35-439,847,389.56-177,610,400.82

Finding the Fourth Proportional to 318,733,232.35, 439,847,389.56 and 177,610,400.82

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Solution

The fourth proportional to 318,733,232.35, 439,847,389.56 and 177,610,400.82 is: 245,099,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,733,232.35 : 439,847,389.56 = 177,610,400.82 : x
  2. Step 2: Convert to fraction form
    318,733,232.35/439,847,389.56 = 177,610,400.82/x
  3. Step 3: Cross multiply
    318,733,232.35x = 439,847,389.56 × 177,610,400.82
  4. Step 4: Simplify right side
    318,733,232.35x = 78,121,471,159,382,288
  5. Step 5: Solve for x
    x = 78,121,471,159,382,288/318,733,232.35
  6. Step 6: Final answer
    x = 245,099,861.67

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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.