Home / 74,445,087.86-111,476,313.03-45,603,784.79

Finding the Fourth Proportional to 74,445,087.86, 111,476,313.03 and 45,603,784.79

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Solution

The fourth proportional to 74,445,087.86, 111,476,313.03 and 45,603,784.79 is: 68,288,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445,087.86 : 111,476,313.03 = 45,603,784.79 : x
  2. Step 2: Convert to fraction form
    74,445,087.86/111,476,313.03 = 45,603,784.79/x
  3. Step 3: Cross multiply
    74,445,087.86x = 111,476,313.03 × 45,603,784.79
  4. Step 4: Simplify right side
    74,445,087.86x = 5,083,741,788,378,168
  5. Step 5: Solve for x
    x = 5,083,741,788,378,168/74,445,087.86
  6. Step 6: Final answer
    x = 68,288,478.59

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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.