Home / 229,505,728.75-344,258,382.76-71,939,876.47

Finding the Fourth Proportional to 229,505,728.75, 344,258,382.76 and 71,939,876.47

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Solution

The fourth proportional to 229,505,728.75, 344,258,382.76 and 71,939,876.47 is: 107,909,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,505,728.75 : 344,258,382.76 = 71,939,876.47 : x
  2. Step 2: Convert to fraction form
    229,505,728.75/344,258,382.76 = 71,939,876.47/x
  3. Step 3: Cross multiply
    229,505,728.75x = 344,258,382.76 × 71,939,876.47
  4. Step 4: Simplify right side
    229,505,728.75x = 24,765,905,529,516,376
  5. Step 5: Solve for x
    x = 24,765,905,529,516,376/229,505,728.75
  6. Step 6: Final answer
    x = 107,909,748.76

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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.