Home / 57,991,370.80-86,973,321.84-21,616,836.88

Finding the Fourth Proportional to 57,991,370.80, 86,973,321.84 and 21,616,836.88

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Solution

The fourth proportional to 57,991,370.80, 86,973,321.84 and 21,616,836.88 is: 32,420,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991,370.80 : 86,973,321.84 = 21,616,836.88 : x
  2. Step 2: Convert to fraction form
    57,991,370.80/86,973,321.84 = 21,616,836.88/x
  3. Step 3: Cross multiply
    57,991,370.80x = 86,973,321.84 × 21,616,836.88
  4. Step 4: Simplify right side
    57,991,370.80x = 1,880,088,111,127,021.50
  5. Step 5: Solve for x
    x = 1,880,088,111,127,021.50/57,991,370.80
  6. Step 6: Final answer
    x = 32,420,135.71

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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.