Home / 196,129,123.20-293,662,843.20-153,661,795.20

Finding the Fourth Proportional to 196,129,123.20, 293,662,843.20 and 153,661,795.20

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Solution

The fourth proportional to 196,129,123.20, 293,662,843.20 and 153,661,795.20 is: 230,076,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,129,123.20 : 293,662,843.20 = 153,661,795.20 : x
  2. Step 2: Convert to fraction form
    196,129,123.20/293,662,843.20 = 153,661,795.20/x
  3. Step 3: Cross multiply
    196,129,123.20x = 293,662,843.20 × 153,661,795.20
  4. Step 4: Simplify right side
    196,129,123.20x = 45,124,759,669,648,104
  5. Step 5: Solve for x
    x = 45,124,759,669,648,104/196,129,123.20
  6. Step 6: Final answer
    x = 230,076,792.95

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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.