Home / 227,185,408.79-313,462,466.77-137,875,373.43

Finding the Fourth Proportional to 227,185,408.79, 313,462,466.77 and 137,875,373.43

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Solution

The fourth proportional to 227,185,408.79, 313,462,466.77 and 137,875,373.43 is: 190,235,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,185,408.79 : 313,462,466.77 = 137,875,373.43 : x
  2. Step 2: Convert to fraction form
    227,185,408.79/313,462,466.77 = 137,875,373.43/x
  3. Step 3: Cross multiply
    227,185,408.79x = 313,462,466.77 × 137,875,373.43
  4. Step 4: Simplify right side
    227,185,408.79x = 43,218,754,661,858,024
  5. Step 5: Solve for x
    x = 43,218,754,661,858,024/227,185,408.79
  6. Step 6: Final answer
    x = 190,235,609.28

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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.