Home / 353,940,903.21-530,932,635.84-108,299,666.20

Finding the Fourth Proportional to 353,940,903.21, 530,932,635.84 and 108,299,666.20

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Solution

The fourth proportional to 353,940,903.21, 530,932,635.84 and 108,299,666.20 is: 162,456,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,940,903.21 : 530,932,635.84 = 108,299,666.20 : x
  2. Step 2: Convert to fraction form
    353,940,903.21/530,932,635.84 = 108,299,666.20/x
  3. Step 3: Cross multiply
    353,940,903.21x = 530,932,635.84 × 108,299,666.20
  4. Step 4: Simplify right side
    353,940,903.21x = 57,499,827,233,503,488
  5. Step 5: Solve for x
    x = 57,499,827,233,503,488/353,940,903.21
  6. Step 6: Final answer
    x = 162,456,010.91

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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.