Home / 160,399,366.28-221,345,198.34-87,058,933.64

Finding the Fourth Proportional to 160,399,366.28, 221,345,198.34 and 87,058,933.64

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Solution

The fourth proportional to 160,399,366.28, 221,345,198.34 and 87,058,933.64 is: 120,138,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,399,366.28 : 221,345,198.34 = 87,058,933.64 : x
  2. Step 2: Convert to fraction form
    160,399,366.28/221,345,198.34 = 87,058,933.64/x
  3. Step 3: Cross multiply
    160,399,366.28x = 221,345,198.34 × 87,058,933.64
  4. Step 4: Simplify right side
    160,399,366.28x = 19,270,076,933,814,700
  5. Step 5: Solve for x
    x = 19,270,076,933,814,700/160,399,366.28
  6. Step 6: Final answer
    x = 120,138,111.39

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1.5x scale

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.