Home / 64,645,256.55-89,212,338.03-35,278,480.68

Finding the Fourth Proportional to 64,645,256.55, 89,212,338.03 and 35,278,480.68

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Solution

The fourth proportional to 64,645,256.55, 89,212,338.03 and 35,278,480.68 is: 48,685,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,645,256.55 : 89,212,338.03 = 35,278,480.68 : x
  2. Step 2: Convert to fraction form
    64,645,256.55/89,212,338.03 = 35,278,480.68/x
  3. Step 3: Cross multiply
    64,645,256.55x = 89,212,338.03 × 35,278,480.68
  4. Step 4: Simplify right side
    64,645,256.55x = 3,147,275,743,608,984.50
  5. Step 5: Solve for x
    x = 3,147,275,743,608,984.50/64,645,256.55
  6. Step 6: Final answer
    x = 48,685,331.48

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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.