Home / 139,338,274.04-208,982,971.20-53,081,856.80

Finding the Fourth Proportional to 139,338,274.04, 208,982,971.20 and 53,081,856.80

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Solution

The fourth proportional to 139,338,274.04, 208,982,971.20 and 53,081,856.80 is: 79,613,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,338,274.04 : 208,982,971.20 = 53,081,856.80 : x
  2. Step 2: Convert to fraction form
    139,338,274.04/208,982,971.20 = 53,081,856.80/x
  3. Step 3: Cross multiply
    139,338,274.04x = 208,982,971.20 × 53,081,856.80
  4. Step 4: Simplify right side
    139,338,274.04x = 11,093,204,150,876,922
  5. Step 5: Solve for x
    x = 11,093,204,150,876,922/139,338,274.04
  6. Step 6: Final answer
    x = 79,613,474.67

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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.