Home / 143,380,526,310.54-197,859,939,541.14-79,149,871,059.66

Finding the Fourth Proportional to 143,380,526,310.54, 197,859,939,541.14 and 79,149,871,059.66

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Solution

The fourth proportional to 143,380,526,310.54, 197,859,939,541.14 and 79,149,871,059.66 is: 109,223,958,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,380,526,310.54 : 197,859,939,541.14 = 79,149,871,059.66 : x
  2. Step 2: Convert to fraction form
    143,380,526,310.54/197,859,939,541.14 = 79,149,871,059.66/x
  3. Step 3: Cross multiply
    143,380,526,310.54x = 197,859,939,541.14 × 79,149,871,059.66
  4. Step 4: Simplify right side
    143,380,526,310.54x = 15,660,588,702,553,356,632,064
  5. Step 5: Solve for x
    x = 15,660,588,702,553,356,632,064/143,380,526,310.54
  6. Step 6: Final answer
    x = 109,223,958,828.52

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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.