Home / 69,693,813.79-96,173,512.59-38,753,318.77

Finding the Fourth Proportional to 69,693,813.79, 96,173,512.59 and 38,753,318.77

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Solution

The fourth proportional to 69,693,813.79, 96,173,512.59 and 38,753,318.77 is: 53,477,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,693,813.79 : 96,173,512.59 = 38,753,318.77 : x
  2. Step 2: Convert to fraction form
    69,693,813.79/96,173,512.59 = 38,753,318.77/x
  3. Step 3: Cross multiply
    69,693,813.79x = 96,173,512.59 × 38,753,318.77
  4. Step 4: Simplify right side
    69,693,813.79x = 3,727,042,790,630,879
  5. Step 5: Solve for x
    x = 3,727,042,790,630,879/69,693,813.79
  6. Step 6: Final answer
    x = 53,477,383.26

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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.