Home / 43,189,743.20-64,734,848.40-17,613,960.80

Finding the Fourth Proportional to 43,189,743.20, 64,734,848.40 and 17,613,960.80

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Solution

The fourth proportional to 43,189,743.20, 64,734,848.40 and 17,613,960.80 is: 26,400,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,189,743.20 : 64,734,848.40 = 17,613,960.80 : x
  2. Step 2: Convert to fraction form
    43,189,743.20/64,734,848.40 = 17,613,960.80/x
  3. Step 3: Cross multiply
    43,189,743.20x = 64,734,848.40 × 17,613,960.80
  4. Step 4: Simplify right side
    43,189,743.20x = 1,140,237,082,111,542.75
  5. Step 5: Solve for x
    x = 1,140,237,082,111,542.75/43,189,743.20
  6. Step 6: Final answer
    x = 26,400,645.10

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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.