Home / 52,061,920.20-78,176,861.10-39,296,838.60

Finding the Fourth Proportional to 52,061,920.20, 78,176,861.10 and 39,296,838.60

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Solution

The fourth proportional to 52,061,920.20, 78,176,861.10 and 39,296,838.60 is: 59,008,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,061,920.20 : 78,176,861.10 = 39,296,838.60 : x
  2. Step 2: Convert to fraction form
    52,061,920.20/78,176,861.10 = 39,296,838.60/x
  3. Step 3: Cross multiply
    52,061,920.20x = 78,176,861.10 × 39,296,838.60
  4. Step 4: Simplify right side
    52,061,920.20x = 3,072,103,492,901,318.50
  5. Step 5: Solve for x
    x = 3,072,103,492,901,318.50/52,061,920.20
  6. Step 6: Final answer
    x = 59,008,647.42

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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.