Home / 142,264,000.36-196,324,649.22-79,542,333.64

Finding the Fourth Proportional to 142,264,000.36, 196,324,649.22 and 79,542,333.64

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Solution

The fourth proportional to 142,264,000.36, 196,324,649.22 and 79,542,333.64 is: 109,768,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,264,000.36 : 196,324,649.22 = 79,542,333.64 : x
  2. Step 2: Convert to fraction form
    142,264,000.36/196,324,649.22 = 79,542,333.64/x
  3. Step 3: Cross multiply
    142,264,000.36x = 196,324,649.22 × 79,542,333.64
  4. Step 4: Simplify right side
    142,264,000.36x = 15,616,120,750,013,206
  5. Step 5: Solve for x
    x = 15,616,120,750,013,206/142,264,000.36
  6. Step 6: Final answer
    x = 109,768,604.22

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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.