Home / 108,530,687,651.34-149,668,407,226.53-71,850,739,667.34

Finding the Fourth Proportional to 108,530,687,651.34, 149,668,407,226.53 and 71,850,739,667.34

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Solution

The fourth proportional to 108,530,687,651.34, 149,668,407,226.53 and 71,850,739,667.34 is: 99,085,208,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,530,687,651.34 : 149,668,407,226.53 = 71,850,739,667.34 : x
  2. Step 2: Convert to fraction form
    108,530,687,651.34/149,668,407,226.53 = 71,850,739,667.34/x
  3. Step 3: Cross multiply
    108,530,687,651.34x = 149,668,407,226.53 × 71,850,739,667.34
  4. Step 4: Simplify right side
    108,530,687,651.34x = 10,753,785,764,058,834,665,472
  5. Step 5: Solve for x
    x = 10,753,785,764,058,834,665,472/108,530,687,651.34
  6. Step 6: Final answer
    x = 99,085,208,034.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.