Home / 132,479,154.75-198,740,317.98-39,115,563.86

Finding the Fourth Proportional to 132,479,154.75, 198,740,317.98 and 39,115,563.86

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Solution

The fourth proportional to 132,479,154.75, 198,740,317.98 and 39,115,563.86 is: 58,679,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,479,154.75 : 198,740,317.98 = 39,115,563.86 : x
  2. Step 2: Convert to fraction form
    132,479,154.75/198,740,317.98 = 39,115,563.86/x
  3. Step 3: Cross multiply
    132,479,154.75x = 198,740,317.98 × 39,115,563.86
  4. Step 4: Simplify right side
    132,479,154.75x = 7,773,839,599,503,396
  5. Step 5: Solve for x
    x = 7,773,839,599,503,396/132,479,154.75
  6. Step 6: Final answer
    x = 58,679,719.19

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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.