Home / 43,987,611.40-65,925,429.90-39,172,712.20

Finding the Fourth Proportional to 43,987,611.40, 65,925,429.90 and 39,172,712.20

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Solution

The fourth proportional to 43,987,611.40, 65,925,429.90 and 39,172,712.20 is: 58,709,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,987,611.40 : 65,925,429.90 = 39,172,712.20 : x
  2. Step 2: Convert to fraction form
    43,987,611.40/65,925,429.90 = 39,172,712.20/x
  3. Step 3: Cross multiply
    43,987,611.40x = 65,925,429.90 × 39,172,712.20
  4. Step 4: Simplify right side
    43,987,611.40x = 2,582,477,892,133,975
  5. Step 5: Solve for x
    x = 2,582,477,892,133,975/43,987,611.40
  6. Step 6: Final answer
    x = 58,709,209.48

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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.