Home / 186,624,621.40-279,936,932.10-164,705,632.60

Finding the Fourth Proportional to 186,624,621.40, 279,936,932.10 and 164,705,632.60

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Solution

The fourth proportional to 186,624,621.40, 279,936,932.10 and 164,705,632.60 is: 247,058,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,621.40 : 279,936,932.10 = 164,705,632.60 : x
  2. Step 2: Convert to fraction form
    186,624,621.40/279,936,932.10 = 164,705,632.60/x
  3. Step 3: Cross multiply
    186,624,621.40x = 279,936,932.10 × 164,705,632.60
  4. Step 4: Simplify right side
    186,624,621.40x = 46,107,189,489,633,752
  5. Step 5: Solve for x
    x = 46,107,189,489,633,752/186,624,621.40
  6. Step 6: Final answer
    x = 247,058,448.90

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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.