Home / 196,877,245.85-295,378,956.80-137,851,111.25

Finding the Fourth Proportional to 196,877,245.85, 295,378,956.80 and 137,851,111.25

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Solution

The fourth proportional to 196,877,245.85, 295,378,956.80 and 137,851,111.25 is: 206,820,840.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,877,245.85 : 295,378,956.80 = 137,851,111.25 : x
  2. Step 2: Convert to fraction form
    196,877,245.85/295,378,956.80 = 137,851,111.25/x
  3. Step 3: Cross multiply
    196,877,245.85x = 295,378,956.80 × 137,851,111.25
  4. Step 4: Simplify right side
    196,877,245.85x = 40,718,317,434,056,488
  5. Step 5: Solve for x
    x = 40,718,317,434,056,488/196,877,245.85
  6. Step 6: Final answer
    x = 206,820,840.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.