Home / 196,660,013.10-271,390,777.20-108,553,987.32

Finding the Fourth Proportional to 196,660,013.10, 271,390,777.20 and 108,553,987.32

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Solution

The fourth proportional to 196,660,013.10, 271,390,777.20 and 108,553,987.32 is: 149,804,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,660,013.10 : 271,390,777.20 = 108,553,987.32 : x
  2. Step 2: Convert to fraction form
    196,660,013.10/271,390,777.20 = 108,553,987.32/x
  3. Step 3: Cross multiply
    196,660,013.10x = 271,390,777.20 × 108,553,987.32
  4. Step 4: Simplify right side
    196,660,013.10x = 29,460,550,986,933,740
  5. Step 5: Solve for x
    x = 29,460,550,986,933,740/196,660,013.10
  6. Step 6: Final answer
    x = 149,804,479.94

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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.