Home / 111,912,943.40-167,819,648.70-51,347,234.60

Finding the Fourth Proportional to 111,912,943.40, 167,819,648.70 and 51,347,234.60

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Solution

The fourth proportional to 111,912,943.40, 167,819,648.70 and 51,347,234.60 is: 76,998,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,912,943.40 : 167,819,648.70 = 51,347,234.60 : x
  2. Step 2: Convert to fraction form
    111,912,943.40/167,819,648.70 = 51,347,234.60/x
  3. Step 3: Cross multiply
    111,912,943.40x = 167,819,648.70 × 51,347,234.60
  4. Step 4: Simplify right side
    111,912,943.40x = 8,617,074,872,288,485
  5. Step 5: Solve for x
    x = 8,617,074,872,288,485/111,912,943.40
  6. Step 6: Final answer
    x = 76,998,018.37

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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.