Home / 66,121,539.08-91,245,396.66-36,351,970.40

Finding the Fourth Proportional to 66,121,539.08, 91,245,396.66 and 36,351,970.40

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Solution

The fourth proportional to 66,121,539.08, 91,245,396.66 and 36,351,970.40 is: 50,164,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,121,539.08 : 91,245,396.66 = 36,351,970.40 : x
  2. Step 2: Convert to fraction form
    66,121,539.08/91,245,396.66 = 36,351,970.40/x
  3. Step 3: Cross multiply
    66,121,539.08x = 91,245,396.66 × 36,351,970.40
  4. Step 4: Simplify right side
    66,121,539.08x = 3,316,949,958,520,578.50
  5. Step 5: Solve for x
    x = 3,316,949,958,520,578.50/66,121,539.08
  6. Step 6: Final answer
    x = 50,164,439.68

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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.