Home / 93,312,873.70-139,969,310.55-82,353,379.30

Finding the Fourth Proportional to 93,312,873.70, 139,969,310.55 and 82,353,379.30

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Solution

The fourth proportional to 93,312,873.70, 139,969,310.55 and 82,353,379.30 is: 123,530,068.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,873.70 : 139,969,310.55 = 82,353,379.30 : x
  2. Step 2: Convert to fraction form
    93,312,873.70/139,969,310.55 = 82,353,379.30/x
  3. Step 3: Cross multiply
    93,312,873.70x = 139,969,310.55 × 82,353,379.30
  4. Step 4: Simplify right side
    93,312,873.70x = 11,526,945,722,083,642
  5. Step 5: Solve for x
    x = 11,526,945,722,083,642/93,312,873.70
  6. Step 6: Final answer
    x = 123,530,068.95

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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.