Home / 196,237,075.92-270,794,960.91-108,126,142.80

Finding the Fourth Proportional to 196,237,075.92, 270,794,960.91 and 108,126,142.80

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Solution

The fourth proportional to 196,237,075.92, 270,794,960.91 and 108,126,142.80 is: 149,207,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,237,075.92 : 270,794,960.91 = 108,126,142.80 : x
  2. Step 2: Convert to fraction form
    196,237,075.92/270,794,960.91 = 108,126,142.80/x
  3. Step 3: Cross multiply
    196,237,075.92x = 270,794,960.91 × 108,126,142.80
  4. Step 4: Simplify right side
    196,237,075.92x = 29,280,014,612,875,080
  5. Step 5: Solve for x
    x = 29,280,014,612,875,080/196,237,075.92
  6. Step 6: Final answer
    x = 149,207,352.77

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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.