Home / 91,394,209.44-137,114,004.33-45,357,684.48

Finding the Fourth Proportional to 91,394,209.44, 137,114,004.33 and 45,357,684.48

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Solution

The fourth proportional to 91,394,209.44, 137,114,004.33 and 45,357,684.48 is: 68,047,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,394,209.44 : 137,114,004.33 = 45,357,684.48 : x
  2. Step 2: Convert to fraction form
    91,394,209.44/137,114,004.33 = 45,357,684.48/x
  3. Step 3: Cross multiply
    91,394,209.44x = 137,114,004.33 × 45,357,684.48
  4. Step 4: Simplify right side
    91,394,209.44x = 6,219,173,746,189,494
  5. Step 5: Solve for x
    x = 6,219,173,746,189,494/91,394,209.44
  6. Step 6: Final answer
    x = 68,047,787.54

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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.