Home / 43,468,054.20-65,202,081.30-13,171,980.60

Finding the Fourth Proportional to 43,468,054.20, 65,202,081.30 and 13,171,980.60

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Solution

The fourth proportional to 43,468,054.20, 65,202,081.30 and 13,171,980.60 is: 19,757,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,468,054.20 : 65,202,081.30 = 13,171,980.60 : x
  2. Step 2: Convert to fraction form
    43,468,054.20/65,202,081.30 = 13,171,980.60/x
  3. Step 3: Cross multiply
    43,468,054.20x = 65,202,081.30 × 13,171,980.60
  4. Step 4: Simplify right side
    43,468,054.20x = 858,840,549,963,222.75
  5. Step 5: Solve for x
    x = 858,840,549,963,222.75/43,468,054.20
  6. Step 6: Final answer
    x = 19,757,970.90

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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.