Home / 142,684,192.09-213,973,791.02-49,287,395.27

Finding the Fourth Proportional to 142,684,192.09, 213,973,791.02 and 49,287,395.27

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Solution

The fourth proportional to 142,684,192.09, 213,973,791.02 and 49,287,395.27 is: 73,912,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,684,192.09 : 213,973,791.02 = 49,287,395.27 : x
  2. Step 2: Convert to fraction form
    142,684,192.09/213,973,791.02 = 49,287,395.27/x
  3. Step 3: Cross multiply
    142,684,192.09x = 213,973,791.02 × 49,287,395.27
  4. Step 4: Simplify right side
    142,684,192.09x = 10,546,210,815,711,614
  5. Step 5: Solve for x
    x = 10,546,210,815,711,614/142,684,192.09
  6. Step 6: Final answer
    x = 73,912,958.83

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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.