Home / 186,148,277.80-279,222,416.70-168,291,860.20

Finding the Fourth Proportional to 186,148,277.80, 279,222,416.70 and 168,291,860.20

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Solution

The fourth proportional to 186,148,277.80, 279,222,416.70 and 168,291,860.20 is: 252,437,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,148,277.80 : 279,222,416.70 = 168,291,860.20 : x
  2. Step 2: Convert to fraction form
    186,148,277.80/279,222,416.70 = 168,291,860.20/x
  3. Step 3: Cross multiply
    186,148,277.80x = 279,222,416.70 × 168,291,860.20
  4. Step 4: Simplify right side
    186,148,277.80x = 46,990,859,915,982,544
  5. Step 5: Solve for x
    x = 46,990,859,915,982,544/186,148,277.80
  6. Step 6: Final answer
    x = 252,437,790.30

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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.