Home / 56,079,172.92-84,148,396.23-39,789,730.42

Finding the Fourth Proportional to 56,079,172.92, 84,148,396.23 and 39,789,730.42

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Solution

The fourth proportional to 56,079,172.92, 84,148,396.23 and 39,789,730.42 is: 59,705,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,079,172.92 : 84,148,396.23 = 39,789,730.42 : x
  2. Step 2: Convert to fraction form
    56,079,172.92/84,148,396.23 = 39,789,730.42/x
  3. Step 3: Cross multiply
    56,079,172.92x = 84,148,396.23 × 39,789,730.42
  4. Step 4: Simplify right side
    56,079,172.92x = 3,348,242,000,647,353.50
  5. Step 5: Solve for x
    x = 3,348,242,000,647,353.50/56,079,172.92
  6. Step 6: Final answer
    x = 59,705,623.79

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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.