Home / 142,620,973.24-213,869,161.86-50,474,098.48

Finding the Fourth Proportional to 142,620,973.24, 213,869,161.86 and 50,474,098.48

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Solution

The fourth proportional to 142,620,973.24, 213,869,161.86 and 50,474,098.48 is: 75,689,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,620,973.24 : 213,869,161.86 = 50,474,098.48 : x
  2. Step 2: Convert to fraction form
    142,620,973.24/213,869,161.86 = 50,474,098.48/x
  3. Step 3: Cross multiply
    142,620,973.24x = 213,869,161.86 × 50,474,098.48
  4. Step 4: Simplify right side
    142,620,973.24x = 10,794,853,137,556,700
  5. Step 5: Solve for x
    x = 10,794,853,137,556,700/142,620,973.24
  6. Step 6: Final answer
    x = 75,689,100.22

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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.