Home / 89,291,343.89-133,868,890.77-40,735,240.49

Finding the Fourth Proportional to 89,291,343.89, 133,868,890.77 and 40,735,240.49

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Solution

The fourth proportional to 89,291,343.89, 133,868,890.77 and 40,735,240.49 is: 61,071,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,291,343.89 : 133,868,890.77 = 40,735,240.49 : x
  2. Step 2: Convert to fraction form
    89,291,343.89/133,868,890.77 = 40,735,240.49/x
  3. Step 3: Cross multiply
    89,291,343.89x = 133,868,890.77 × 40,735,240.49
  4. Step 4: Simplify right side
    89,291,343.89x = 5,453,181,458,976,147
  5. Step 5: Solve for x
    x = 5,453,181,458,976,147/89,291,343.89
  6. Step 6: Final answer
    x = 61,071,781.67

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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.