Home / 30,161,182.72-41,621,188.08-16,410,201.28

Finding the Fourth Proportional to 30,161,182.72, 41,621,188.08 and 16,410,201.28

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Solution

The fourth proportional to 30,161,182.72, 41,621,188.08 and 16,410,201.28 is: 22,645,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161,182.72 : 41,621,188.08 = 16,410,201.28 : x
  2. Step 2: Convert to fraction form
    30,161,182.72/41,621,188.08 = 16,410,201.28/x
  3. Step 3: Cross multiply
    30,161,182.72x = 41,621,188.08 × 16,410,201.28
  4. Step 4: Simplify right side
    30,161,182.72x = 683,012,073,905,536.62
  5. Step 5: Solve for x
    x = 683,012,073,905,536.62/30,161,182.72
  6. Step 6: Final answer
    x = 22,645,400.89

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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.