Home / 54,985,441.34-82,512,221.31-31,967,209.28

Finding the Fourth Proportional to 54,985,441.34, 82,512,221.31 and 31,967,209.28

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Solution

The fourth proportional to 54,985,441.34, 82,512,221.31 and 31,967,209.28 is: 47,970,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,985,441.34 : 82,512,221.31 = 31,967,209.28 : x
  2. Step 2: Convert to fraction form
    54,985,441.34/82,512,221.31 = 31,967,209.28/x
  3. Step 3: Cross multiply
    54,985,441.34x = 82,512,221.31 × 31,967,209.28
  4. Step 4: Simplify right side
    54,985,441.34x = 2,637,685,446,980,726.50
  5. Step 5: Solve for x
    x = 2,637,685,446,980,726.50/54,985,441.34
  6. Step 6: Final answer
    x = 47,970,615.18

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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.