Home / 105,730,996.40-158,628,969.26-50,469,347.96

Finding the Fourth Proportional to 105,730,996.40, 158,628,969.26 and 50,469,347.96

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Solution

The fourth proportional to 105,730,996.40, 158,628,969.26 and 50,469,347.96 is: 75,719,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,730,996.40 : 158,628,969.26 = 50,469,347.96 : x
  2. Step 2: Convert to fraction form
    105,730,996.40/158,628,969.26 = 50,469,347.96/x
  3. Step 3: Cross multiply
    105,730,996.40x = 158,628,969.26 × 50,469,347.96
  4. Step 4: Simplify right side
    105,730,996.40x = 8,005,900,646,641,829
  5. Step 5: Solve for x
    x = 8,005,900,646,641,829/105,730,996.40
  6. Step 6: Final answer
    x = 75,719,523.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.