Home / 139,817,861.08-209,787,270.68-75,045,998.05

Finding the Fourth Proportional to 139,817,861.08, 209,787,270.68 and 75,045,998.05

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Solution

The fourth proportional to 139,817,861.08, 209,787,270.68 and 75,045,998.05 is: 112,601,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,817,861.08 : 209,787,270.68 = 75,045,998.05 : x
  2. Step 2: Convert to fraction form
    139,817,861.08/209,787,270.68 = 75,045,998.05/x
  3. Step 3: Cross multiply
    139,817,861.08x = 209,787,270.68 × 75,045,998.05
  4. Step 4: Simplify right side
    139,817,861.08x = 15,743,695,106,029,250
  5. Step 5: Solve for x
    x = 15,743,695,106,029,250/139,817,861.08
  6. Step 6: Final answer
    x = 112,601,458.67

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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.