Home / 361,853,953.89-543,010,505.31-154,593,926.03

Finding the Fourth Proportional to 361,853,953.89, 543,010,505.31 and 154,593,926.03

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Solution

The fourth proportional to 361,853,953.89, 543,010,505.31 and 154,593,926.03 is: 231,988,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,853,953.89 : 543,010,505.31 = 154,593,926.03 : x
  2. Step 2: Convert to fraction form
    361,853,953.89/543,010,505.31 = 154,593,926.03/x
  3. Step 3: Cross multiply
    361,853,953.89x = 543,010,505.31 × 154,593,926.03
  4. Step 4: Simplify right side
    361,853,953.89x = 83,946,125,888,692,000
  5. Step 5: Solve for x
    x = 83,946,125,888,692,000/361,853,953.89
  6. Step 6: Final answer
    x = 231,988,969.54

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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.