Home / 57,580,891.20-86,371,337.21-19,242,405.36

Finding the Fourth Proportional to 57,580,891.20, 86,371,337.21 and 19,242,405.36

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Solution

The fourth proportional to 57,580,891.20, 86,371,337.21 and 19,242,405.36 is: 28,863,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,580,891.20 : 86,371,337.21 = 19,242,405.36 : x
  2. Step 2: Convert to fraction form
    57,580,891.20/86,371,337.21 = 19,242,405.36/x
  3. Step 3: Cross multiply
    57,580,891.20x = 86,371,337.21 × 19,242,405.36
  4. Step 4: Simplify right side
    57,580,891.20x = 1,661,992,281,983,859.25
  5. Step 5: Solve for x
    x = 1,661,992,281,983,859.25/57,580,891.20
  6. Step 6: Final answer
    x = 28,863,608.18

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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.