Home / 220,887,006.30-331,330,509.45-75,272,172.30

Finding the Fourth Proportional to 220,887,006.30, 331,330,509.45 and 75,272,172.30

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Solution

The fourth proportional to 220,887,006.30, 331,330,509.45 and 75,272,172.30 is: 112,908,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,887,006.30 : 331,330,509.45 = 75,272,172.30 : x
  2. Step 2: Convert to fraction form
    220,887,006.30/331,330,509.45 = 75,272,172.30/x
  3. Step 3: Cross multiply
    220,887,006.30x = 331,330,509.45 × 75,272,172.30
  4. Step 4: Simplify right side
    220,887,006.30x = 24,939,967,195,567,176
  5. Step 5: Solve for x
    x = 24,939,967,195,567,176/220,887,006.30
  6. Step 6: Final answer
    x = 112,908,258.45

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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.