Home / 42,739,104.96-64,109,149.92-15,447,470.40

Finding the Fourth Proportional to 42,739,104.96, 64,109,149.92 and 15,447,470.40

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Solution

The fourth proportional to 42,739,104.96, 64,109,149.92 and 15,447,470.40 is: 23,171,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,739,104.96 : 64,109,149.92 = 15,447,470.40 : x
  2. Step 2: Convert to fraction form
    42,739,104.96/64,109,149.92 = 15,447,470.40/x
  3. Step 3: Cross multiply
    42,739,104.96x = 64,109,149.92 × 15,447,470.40
  4. Step 4: Simplify right side
    42,739,104.96x = 990,324,195,758,362.38
  5. Step 5: Solve for x
    x = 990,324,195,758,362.38/42,739,104.96
  6. Step 6: Final answer
    x = 23,171,383.60

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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.