Home / 196,248,331.76-270,824,513.92-108,145,482.21

Finding the Fourth Proportional to 196,248,331.76, 270,824,513.92 and 108,145,482.21

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Solution

The fourth proportional to 196,248,331.76, 270,824,513.92 and 108,145,482.21 is: 149,241,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,248,331.76 : 270,824,513.92 = 108,145,482.21 : x
  2. Step 2: Convert to fraction form
    196,248,331.76/270,824,513.92 = 108,145,482.21/x
  3. Step 3: Cross multiply
    196,248,331.76x = 270,824,513.92 × 108,145,482.21
  4. Step 4: Simplify right side
    196,248,331.76x = 29,288,447,651,896,892
  5. Step 5: Solve for x
    x = 29,288,447,651,896,892/196,248,331.76
  6. Step 6: Final answer
    x = 149,241,766.23

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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.