Home / 74,780,771.91-103,214,684.07-43,850,905.71

Finding the Fourth Proportional to 74,780,771.91, 103,214,684.07 and 43,850,905.71

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Solution

The fourth proportional to 74,780,771.91, 103,214,684.07 and 43,850,905.71 is: 60,524,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,780,771.91 : 103,214,684.07 = 43,850,905.71 : x
  2. Step 2: Convert to fraction form
    74,780,771.91/103,214,684.07 = 43,850,905.71/x
  3. Step 3: Cross multiply
    74,780,771.91x = 103,214,684.07 × 43,850,905.71
  4. Step 4: Simplify right side
    74,780,771.91x = 4,526,057,379,041,009
  5. Step 5: Solve for x
    x = 4,526,057,379,041,009/74,780,771.91
  6. Step 6: Final answer
    x = 60,524,346.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.