Home / 71,882,715.60-107,824,073.40-49,207,899.60

Finding the Fourth Proportional to 71,882,715.60, 107,824,073.40 and 49,207,899.60

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Solution

The fourth proportional to 71,882,715.60, 107,824,073.40 and 49,207,899.60 is: 73,811,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,882,715.60 : 107,824,073.40 = 49,207,899.60 : x
  2. Step 2: Convert to fraction form
    71,882,715.60/107,824,073.40 = 49,207,899.60/x
  3. Step 3: Cross multiply
    71,882,715.60x = 107,824,073.40 × 49,207,899.60
  4. Step 4: Simplify right side
    71,882,715.60x = 5,305,796,178,330,231
  5. Step 5: Solve for x
    x = 5,305,796,178,330,231/71,882,715.60
  6. Step 6: Final answer
    x = 73,811,849.40

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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.