Home / 139,339,369.44-192,289,731.84-76,618,775.52

Finding the Fourth Proportional to 139,339,369.44, 192,289,731.84 and 76,618,775.52

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Solution

The fourth proportional to 139,339,369.44, 192,289,731.84 and 76,618,775.52 is: 105,734,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,339,369.44 : 192,289,731.84 = 76,618,775.52 : x
  2. Step 2: Convert to fraction form
    139,339,369.44/192,289,731.84 = 76,618,775.52/x
  3. Step 3: Cross multiply
    139,339,369.44x = 192,289,731.84 × 76,618,775.52
  4. Step 4: Simplify right side
    139,339,369.44x = 14,733,003,798,649,956
  5. Step 5: Solve for x
    x = 14,733,003,798,649,956/139,339,369.44
  6. Step 6: Final answer
    x = 105,734,681.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.