Home / 79,097,591.81-109,155,549.83-43,815,937.43

Finding the Fourth Proportional to 79,097,591.81, 109,155,549.83 and 43,815,937.43

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Solution

The fourth proportional to 79,097,591.81, 109,155,549.83 and 43,815,937.43 is: 60,466,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,097,591.81 : 109,155,549.83 = 43,815,937.43 : x
  2. Step 2: Convert to fraction form
    79,097,591.81/109,155,549.83 = 43,815,937.43/x
  3. Step 3: Cross multiply
    79,097,591.81x = 109,155,549.83 × 43,815,937.43
  4. Step 4: Simplify right side
    79,097,591.81x = 4,782,752,740,723,670
  5. Step 5: Solve for x
    x = 4,782,752,740,723,670/79,097,591.81
  6. Step 6: Final answer
    x = 60,466,477.32

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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.