Home / 166,997,064.78-250,239,931.20-69,899,907.24

Finding the Fourth Proportional to 166,997,064.78, 250,239,931.20 and 69,899,907.24

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Solution

The fourth proportional to 166,997,064.78, 250,239,931.20 and 69,899,907.24 is: 104,742,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,997,064.78 : 250,239,931.20 = 69,899,907.24 : x
  2. Step 2: Convert to fraction form
    166,997,064.78/250,239,931.20 = 69,899,907.24/x
  3. Step 3: Cross multiply
    166,997,064.78x = 250,239,931.20 × 69,899,907.24
  4. Step 4: Simplify right side
    166,997,064.78x = 17,491,747,978,623,980
  5. Step 5: Solve for x
    x = 17,491,747,978,623,980/166,997,064.78
  6. Step 6: Final answer
    x = 104,742,846.84

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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.