Home / 122,142,678-183,213,900.36-31,266,121.20

Finding the Fourth Proportional to 122,142,678, 183,213,900.36 and 31,266,121.20

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Solution

The fourth proportional to 122,142,678, 183,213,900.36 and 31,266,121.20 is: 46,899,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,142,678 : 183,213,900.36 = 31,266,121.20 : x
  2. Step 2: Convert to fraction form
    122,142,678/183,213,900.36 = 31,266,121.20/x
  3. Step 3: Cross multiply
    122,142,678x = 183,213,900.36 × 31,266,121.20
  4. Step 4: Simplify right side
    122,142,678x = 5,728,388,014,180,484
  5. Step 5: Solve for x
    x = 5,728,388,014,180,484/122,142,678
  6. Step 6: Final answer
    x = 46,899,151.94

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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.