Home / 57,399,930.30-79,211,847.96-31,294,441.20

Finding the Fourth Proportional to 57,399,930.30, 79,211,847.96 and 31,294,441.20

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Solution

The fourth proportional to 57,399,930.30, 79,211,847.96 and 31,294,441.20 is: 43,186,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,399,930.30 : 79,211,847.96 = 31,294,441.20 : x
  2. Step 2: Convert to fraction form
    57,399,930.30/79,211,847.96 = 31,294,441.20/x
  3. Step 3: Cross multiply
    57,399,930.30x = 79,211,847.96 × 31,294,441.20
  4. Step 4: Simplify right side
    57,399,930.30x = 2,478,890,518,327,559.50
  5. Step 5: Solve for x
    x = 2,478,890,518,327,559.50/57,399,930.30
  6. Step 6: Final answer
    x = 43,186,298.40

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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.