Home / 70,416,112.80-97,172,788.57-39,049,100.94

Finding the Fourth Proportional to 70,416,112.80, 97,172,788.57 and 39,049,100.94

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Solution

The fourth proportional to 70,416,112.80, 97,172,788.57 and 39,049,100.94 is: 53,886,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,416,112.80 : 97,172,788.57 = 39,049,100.94 : x
  2. Step 2: Convert to fraction form
    70,416,112.80/97,172,788.57 = 39,049,100.94/x
  3. Step 3: Cross multiply
    70,416,112.80x = 97,172,788.57 × 39,049,100.94
  4. Step 4: Simplify right side
    70,416,112.80x = 3,794,510,029,491,207.50
  5. Step 5: Solve for x
    x = 3,794,510,029,491,207.50/70,416,112.80
  6. Step 6: Final answer
    x = 53,886,956.81

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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.