Home / 196,128,965.20-293,662,606.20-153,661,637.20

Finding the Fourth Proportional to 196,128,965.20, 293,662,606.20 and 153,661,637.20

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Solution

The fourth proportional to 196,128,965.20, 293,662,606.20 and 153,661,637.20 is: 230,076,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,128,965.20 : 293,662,606.20 = 153,661,637.20 : x
  2. Step 2: Convert to fraction form
    196,128,965.20/293,662,606.20 = 153,661,637.20/x
  3. Step 3: Cross multiply
    196,128,965.20x = 293,662,606.20 × 153,661,637.20
  4. Step 4: Simplify right side
    196,128,965.20x = 45,124,676,853,110,864
  5. Step 5: Solve for x
    x = 45,124,676,853,110,864/196,128,965.20
  6. Step 6: Final answer
    x = 230,076,556.04

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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.