Home / 220,331,049.48-330,425,223.35-72,745,455.11

Finding the Fourth Proportional to 220,331,049.48, 330,425,223.35 and 72,745,455.11

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Solution

The fourth proportional to 220,331,049.48, 330,425,223.35 and 72,745,455.11 is: 109,094,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,331,049.48 : 330,425,223.35 = 72,745,455.11 : x
  2. Step 2: Convert to fraction form
    220,331,049.48/330,425,223.35 = 72,745,455.11/x
  3. Step 3: Cross multiply
    220,331,049.48x = 330,425,223.35 × 72,745,455.11
  4. Step 4: Simplify right side
    220,331,049.48x = 24,036,933,250,403,300
  5. Step 5: Solve for x
    x = 24,036,933,250,403,300/220,331,049.48
  6. Step 6: Final answer
    x = 109,094,625.14

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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.