Home / 81,395,176.42-122,024,136.12-35,302,343.65

Finding the Fourth Proportional to 81,395,176.42, 122,024,136.12 and 35,302,343.65

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Solution

The fourth proportional to 81,395,176.42, 122,024,136.12 and 35,302,343.65 is: 52,923,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,395,176.42 : 122,024,136.12 = 35,302,343.65 : x
  2. Step 2: Convert to fraction form
    81,395,176.42/122,024,136.12 = 35,302,343.65/x
  3. Step 3: Cross multiply
    81,395,176.42x = 122,024,136.12 × 35,302,343.65
  4. Step 4: Simplify right side
    81,395,176.42x = 4,307,737,987,151,559.50
  5. Step 5: Solve for x
    x = 4,307,737,987,151,559.50/81,395,176.42
  6. Step 6: Final answer
    x = 52,923,750.23

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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.