Home / 166,681,791.45-230,020,812.59-92,347,171.29

Finding the Fourth Proportional to 166,681,791.45, 230,020,812.59 and 92,347,171.29

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Solution

The fourth proportional to 166,681,791.45, 230,020,812.59 and 92,347,171.29 is: 127,439,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,681,791.45 : 230,020,812.59 = 92,347,171.29 : x
  2. Step 2: Convert to fraction form
    166,681,791.45/230,020,812.59 = 92,347,171.29/x
  3. Step 3: Cross multiply
    166,681,791.45x = 230,020,812.59 × 92,347,171.29
  4. Step 4: Simplify right side
    166,681,791.45x = 21,241,771,380,051,984
  5. Step 5: Solve for x
    x = 21,241,771,380,051,984/166,681,791.45
  6. Step 6: Final answer
    x = 127,439,063.35

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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.