Home / 50,722,821.69-69,992,867.12-28,698,332.01

Finding the Fourth Proportional to 50,722,821.69, 69,992,867.12 and 28,698,332.01

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Solution

The fourth proportional to 50,722,821.69, 69,992,867.12 and 28,698,332.01 is: 39,601,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,722,821.69 : 69,992,867.12 = 28,698,332.01 : x
  2. Step 2: Convert to fraction form
    50,722,821.69/69,992,867.12 = 28,698,332.01/x
  3. Step 3: Cross multiply
    50,722,821.69x = 69,992,867.12 × 28,698,332.01
  4. Step 4: Simplify right side
    50,722,821.69x = 2,008,678,538,798,080.75
  5. Step 5: Solve for x
    x = 2,008,678,538,798,080.75/50,722,821.69
  6. Step 6: Final answer
    x = 39,601,080.38

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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.