Home / 142,686,670.98-213,977,507.94-49,289,882.61

Finding the Fourth Proportional to 142,686,670.98, 213,977,507.94 and 49,289,882.61

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Solution

The fourth proportional to 142,686,670.98, 213,977,507.94 and 49,289,882.61 is: 73,916,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,686,670.98 : 213,977,507.94 = 49,289,882.61 : x
  2. Step 2: Convert to fraction form
    142,686,670.98/213,977,507.94 = 49,289,882.61/x
  3. Step 3: Cross multiply
    142,686,670.98x = 213,977,507.94 × 49,289,882.61
  4. Step 4: Simplify right side
    142,686,670.98x = 10,546,926,247,542,942
  5. Step 5: Solve for x
    x = 10,546,926,247,542,942/142,686,670.98
  6. Step 6: Final answer
    x = 73,916,688.75

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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.