Home / 209,952,644.20-314,928,966.30-164,036,141.80

Finding the Fourth Proportional to 209,952,644.20, 314,928,966.30 and 164,036,141.80

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Solution

The fourth proportional to 209,952,644.20, 314,928,966.30 and 164,036,141.80 is: 246,054,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,644.20 : 314,928,966.30 = 164,036,141.80 : x
  2. Step 2: Convert to fraction form
    209,952,644.20/314,928,966.30 = 164,036,141.80/x
  3. Step 3: Cross multiply
    209,952,644.20x = 314,928,966.30 × 164,036,141.80
  4. Step 4: Simplify right side
    209,952,644.20x = 51,659,732,572,914,224
  5. Step 5: Solve for x
    x = 51,659,732,572,914,224/209,952,644.20
  6. Step 6: Final answer
    x = 246,054,212.70

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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.