Home / 64,645,256.79-89,212,338.33-35,278,480.90

Finding the Fourth Proportional to 64,645,256.79, 89,212,338.33 and 35,278,480.90

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Solution

The fourth proportional to 64,645,256.79, 89,212,338.33 and 35,278,480.90 is: 48,685,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,645,256.79 : 89,212,338.33 = 35,278,480.90 : x
  2. Step 2: Convert to fraction form
    64,645,256.79/89,212,338.33 = 35,278,480.90/x
  3. Step 3: Cross multiply
    64,645,256.79x = 89,212,338.33 × 35,278,480.90
  4. Step 4: Simplify right side
    64,645,256.79x = 3,147,275,773,196,789
  5. Step 5: Solve for x
    x = 3,147,275,773,196,789/64,645,256.79
  6. Step 6: Final answer
    x = 48,685,331.76

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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.