Home / 187,812,014.80-281,718,022.20-133,392,456.40

Finding the Fourth Proportional to 187,812,014.80, 281,718,022.20 and 133,392,456.40

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Solution

The fourth proportional to 187,812,014.80, 281,718,022.20 and 133,392,456.40 is: 200,088,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,812,014.80 : 281,718,022.20 = 133,392,456.40 : x
  2. Step 2: Convert to fraction form
    187,812,014.80/281,718,022.20 = 133,392,456.40/x
  3. Step 3: Cross multiply
    187,812,014.80x = 281,718,022.20 × 133,392,456.40
  4. Step 4: Simplify right side
    187,812,014.80x = 37,579,058,993,407,736
  5. Step 5: Solve for x
    x = 37,579,058,993,407,736/187,812,014.80
  6. Step 6: Final answer
    x = 200,088,684.60

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1.5x scale

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.