Home / 31,290,880.23-43,184,077.47-17,542,501.56

Finding the Fourth Proportional to 31,290,880.23, 43,184,077.47 and 17,542,501.56

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Solution

The fourth proportional to 31,290,880.23, 43,184,077.47 and 17,542,501.56 is: 24,210,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290,880.23 : 43,184,077.47 = 17,542,501.56 : x
  2. Step 2: Convert to fraction form
    31,290,880.23/43,184,077.47 = 17,542,501.56/x
  3. Step 3: Cross multiply
    31,290,880.23x = 43,184,077.47 × 17,542,501.56
  4. Step 4: Simplify right side
    31,290,880.23x = 757,556,746,384,635.75
  5. Step 5: Solve for x
    x = 757,556,746,384,635.75/31,290,880.23
  6. Step 6: Final answer
    x = 24,210,144.96

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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.