Home / 50,787,438.55-70,090,987.73-28,764,855.65

Finding the Fourth Proportional to 50,787,438.55, 70,090,987.73 and 28,764,855.65

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Solution

The fourth proportional to 50,787,438.55, 70,090,987.73 and 28,764,855.65 is: 39,697,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787,438.55 : 70,090,987.73 = 28,764,855.65 : x
  2. Step 2: Convert to fraction form
    50,787,438.55/70,090,987.73 = 28,764,855.65/x
  3. Step 3: Cross multiply
    50,787,438.55x = 70,090,987.73 × 28,764,855.65
  4. Step 4: Simplify right side
    50,787,438.55x = 2,016,157,144,450,774.25
  5. Step 5: Solve for x
    x = 2,016,157,144,450,774.25/50,787,438.55
  6. Step 6: Final answer
    x = 39,697,948.98

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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.