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Finding the Fourth Proportional to 64,915,364.79, 89,584,305.08 and 35,546,229.27

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Solution

The fourth proportional to 64,915,364.79, 89,584,305.08 and 35,546,229.27 is: 49,054,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,915,364.79 : 89,584,305.08 = 35,546,229.27 : x
  2. Step 2: Convert to fraction form
    64,915,364.79/89,584,305.08 = 35,546,229.27/x
  3. Step 3: Cross multiply
    64,915,364.79x = 89,584,305.08 × 35,546,229.27
  4. Step 4: Simplify right side
    64,915,364.79x = 3,184,384,247,189,575
  5. Step 5: Solve for x
    x = 3,184,384,247,189,575/64,915,364.79
  6. Step 6: Final answer
    x = 49,054,399.64

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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.