Home / 105,297,682.78-145,304,739.03-58,251,984.22

Finding the Fourth Proportional to 105,297,682.78, 145,304,739.03 and 58,251,984.22

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Solution

The fourth proportional to 105,297,682.78, 145,304,739.03 and 58,251,984.22 is: 80,384,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,297,682.78 : 145,304,739.03 = 58,251,984.22 : x
  2. Step 2: Convert to fraction form
    105,297,682.78/145,304,739.03 = 58,251,984.22/x
  3. Step 3: Cross multiply
    105,297,682.78x = 145,304,739.03 × 58,251,984.22
  4. Step 4: Simplify right side
    105,297,682.78x = 8,464,289,365,066,778
  5. Step 5: Solve for x
    x = 8,464,289,365,066,778/105,297,682.78
  6. Step 6: Final answer
    x = 80,384,383.98

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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.