Home / 186,789,406.20-279,428,282.10-164,114,590.20

Finding the Fourth Proportional to 186,789,406.20, 279,428,282.10 and 164,114,590.20

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Solution

The fourth proportional to 186,789,406.20, 279,428,282.10 and 164,114,590.20 is: 245,507,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,789,406.20 : 279,428,282.10 = 164,114,590.20 : x
  2. Step 2: Convert to fraction form
    186,789,406.20/279,428,282.10 = 164,114,590.20/x
  3. Step 3: Cross multiply
    186,789,406.20x = 279,428,282.10 × 164,114,590.20
  4. Step 4: Simplify right side
    186,789,406.20x = 45,858,258,007,131,496
  5. Step 5: Solve for x
    x = 45,858,258,007,131,496/186,789,406.20
  6. Step 6: Final answer
    x = 245,507,809.78

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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.