Home / 43,453,028.10-65,187,415.35-21,833,220.90

Finding the Fourth Proportional to 43,453,028.10, 65,187,415.35 and 21,833,220.90

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Solution

The fourth proportional to 43,453,028.10, 65,187,415.35 and 21,833,220.90 is: 32,753,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453,028.10 : 65,187,415.35 = 21,833,220.90 : x
  2. Step 2: Convert to fraction form
    43,453,028.10/65,187,415.35 = 21,833,220.90/x
  3. Step 3: Cross multiply
    43,453,028.10x = 65,187,415.35 × 21,833,220.90
  4. Step 4: Simplify right side
    43,453,028.10x = 1,423,251,239,236,600.75
  5. Step 5: Solve for x
    x = 1,423,251,239,236,600.75/43,453,028.10
  6. Step 6: Final answer
    x = 32,753,787.28

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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.