Home / 77,599,353.20-116,408,034.72-25,788,579.64

Finding the Fourth Proportional to 77,599,353.20, 116,408,034.72 and 25,788,579.64

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Solution

The fourth proportional to 77,599,353.20, 116,408,034.72 and 25,788,579.64 is: 38,685,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,599,353.20 : 116,408,034.72 = 25,788,579.64 : x
  2. Step 2: Convert to fraction form
    77,599,353.20/116,408,034.72 = 25,788,579.64/x
  3. Step 3: Cross multiply
    77,599,353.20x = 116,408,034.72 × 25,788,579.64
  4. Step 4: Simplify right side
    77,599,353.20x = 3,001,997,874,112,605
  5. Step 5: Solve for x
    x = 3,001,997,874,112,605/77,599,353.20
  6. Step 6: Final answer
    x = 38,685,862.06

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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.