Home / 122,350,975.20-183,526,462.80-73,978,034.40

Finding the Fourth Proportional to 122,350,975.20, 183,526,462.80 and 73,978,034.40

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Solution

The fourth proportional to 122,350,975.20, 183,526,462.80 and 73,978,034.40 is: 110,967,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,350,975.20 : 183,526,462.80 = 73,978,034.40 : x
  2. Step 2: Convert to fraction form
    122,350,975.20/183,526,462.80 = 73,978,034.40/x
  3. Step 3: Cross multiply
    122,350,975.20x = 183,526,462.80 × 73,978,034.40
  4. Step 4: Simplify right side
    122,350,975.20x = 13,576,926,978,328,722
  5. Step 5: Solve for x
    x = 13,576,926,978,328,722/122,350,975.20
  6. Step 6: Final answer
    x = 110,967,051.60

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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.