Home / 50,394,394.36-69,507,131.80-38,005,009.32

Finding the Fourth Proportional to 50,394,394.36, 69,507,131.80 and 38,005,009.32

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Solution

The fourth proportional to 50,394,394.36, 69,507,131.80 and 38,005,009.32 is: 52,418,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,394,394.36 : 69,507,131.80 = 38,005,009.32 : x
  2. Step 2: Convert to fraction form
    50,394,394.36/69,507,131.80 = 38,005,009.32/x
  3. Step 3: Cross multiply
    50,394,394.36x = 69,507,131.80 × 38,005,009.32
  4. Step 4: Simplify right side
    50,394,394.36x = 2,641,619,191,865,468.50
  5. Step 5: Solve for x
    x = 2,641,619,191,865,468.50/50,394,394.36
  6. Step 6: Final answer
    x = 52,418,909.39

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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.