Home / 79,300,179.77-118,949,789.85-43,138,387.64

Finding the Fourth Proportional to 79,300,179.77, 118,949,789.85 and 43,138,387.64

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Solution

The fourth proportional to 79,300,179.77, 118,949,789.85 and 43,138,387.64 is: 64,707,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,300,179.77 : 118,949,789.85 = 43,138,387.64 : x
  2. Step 2: Convert to fraction form
    79,300,179.77/118,949,789.85 = 43,138,387.64/x
  3. Step 3: Cross multiply
    79,300,179.77x = 118,949,789.85 × 43,138,387.64
  4. Step 4: Simplify right side
    79,300,179.77x = 5,131,302,144,245,837
  5. Step 5: Solve for x
    x = 5,131,302,144,245,837/79,300,179.77
  6. Step 6: Final answer
    x = 64,707,320.45

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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.