Home / 186,835,012.80-280,252,519.20-125,613,009.60

Finding the Fourth Proportional to 186,835,012.80, 280,252,519.20 and 125,613,009.60

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Solution

The fourth proportional to 186,835,012.80, 280,252,519.20 and 125,613,009.60 is: 188,419,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,835,012.80 : 280,252,519.20 = 125,613,009.60 : x
  2. Step 2: Convert to fraction form
    186,835,012.80/280,252,519.20 = 125,613,009.60/x
  3. Step 3: Cross multiply
    186,835,012.80x = 280,252,519.20 × 125,613,009.60
  4. Step 4: Simplify right side
    186,835,012.80x = 35,203,362,384,693,780
  5. Step 5: Solve for x
    x = 35,203,362,384,693,780/186,835,012.80
  6. Step 6: Final answer
    x = 188,419,514.40

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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.