Home / 43,739,980.20-65,609,970.30-13,443,906.60

Finding the Fourth Proportional to 43,739,980.20, 65,609,970.30 and 13,443,906.60

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Solution

The fourth proportional to 43,739,980.20, 65,609,970.30 and 13,443,906.60 is: 20,165,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,739,980.20 : 65,609,970.30 = 13,443,906.60 : x
  2. Step 2: Convert to fraction form
    43,739,980.20/65,609,970.30 = 13,443,906.60/x
  3. Step 3: Cross multiply
    43,739,980.20x = 65,609,970.30 × 13,443,906.60
  4. Step 4: Simplify right side
    43,739,980.20x = 882,054,312,741,973.88
  5. Step 5: Solve for x
    x = 882,054,312,741,973.88/43,739,980.20
  6. Step 6: Final answer
    x = 20,165,859.90

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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.