Home / 76,316,561.11-105,307,295.52-51,590,546.89

Finding the Fourth Proportional to 76,316,561.11, 105,307,295.52 and 51,590,546.89

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Solution

The fourth proportional to 76,316,561.11, 105,307,295.52 and 51,590,546.89 is: 71,188,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,316,561.11 : 105,307,295.52 = 51,590,546.89 : x
  2. Step 2: Convert to fraction form
    76,316,561.11/105,307,295.52 = 51,590,546.89/x
  3. Step 3: Cross multiply
    76,316,561.11x = 105,307,295.52 × 51,590,546.89
  4. Step 4: Simplify right side
    76,316,561.11x = 5,432,860,967,383,647
  5. Step 5: Solve for x
    x = 5,432,860,967,383,647/76,316,561.11
  6. Step 6: Final answer
    x = 71,188,492.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.