Home / 86,200,368.74-129,297,403.79-25,614,520.10

Finding the Fourth Proportional to 86,200,368.74, 129,297,403.79 and 25,614,520.10

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Solution

The fourth proportional to 86,200,368.74, 129,297,403.79 and 25,614,520.10 is: 38,420,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,200,368.74 : 129,297,403.79 = 25,614,520.10 : x
  2. Step 2: Convert to fraction form
    86,200,368.74/129,297,403.79 = 25,614,520.10/x
  3. Step 3: Cross multiply
    86,200,368.74x = 129,297,403.79 × 25,614,520.10
  4. Step 4: Simplify right side
    86,200,368.74x = 3,311,890,948,256,771.50
  5. Step 5: Solve for x
    x = 3,311,890,948,256,771.50/86,200,368.74
  6. Step 6: Final answer
    x = 38,420,844.33

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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.