Home / 91,888,504.10-137,664,794.55-74,756,420.90

Finding the Fourth Proportional to 91,888,504.10, 137,664,794.55 and 74,756,420.90

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Solution

The fourth proportional to 91,888,504.10, 137,664,794.55 and 74,756,420.90 is: 111,997,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,888,504.10 : 137,664,794.55 = 74,756,420.90 : x
  2. Step 2: Convert to fraction form
    91,888,504.10/137,664,794.55 = 74,756,420.90/x
  3. Step 3: Cross multiply
    91,888,504.10x = 137,664,794.55 × 74,756,420.90
  4. Step 4: Simplify right side
    91,888,504.10x = 10,291,327,324,491,828
  5. Step 5: Solve for x
    x = 10,291,327,324,491,828/91,888,504.10
  6. Step 6: Final answer
    x = 111,997,985.22

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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.