Home / 220,187,956.14-330,410,725.62-82,108,955.52

Finding the Fourth Proportional to 220,187,956.14, 330,410,725.62 and 82,108,955.52

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Solution

The fourth proportional to 220,187,956.14, 330,410,725.62 and 82,108,955.52 is: 123,211,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,187,956.14 : 330,410,725.62 = 82,108,955.52 : x
  2. Step 2: Convert to fraction form
    220,187,956.14/330,410,725.62 = 82,108,955.52/x
  3. Step 3: Cross multiply
    220,187,956.14x = 330,410,725.62 × 82,108,955.52
  4. Step 4: Simplify right side
    220,187,956.14x = 27,129,679,572,852,960
  5. Step 5: Solve for x
    x = 27,129,679,572,852,960/220,187,956.14
  6. Step 6: Final answer
    x = 123,211,460.10

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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.