Home / 201,453,036.80-302,179,555.20-185,580,665.60

Finding the Fourth Proportional to 201,453,036.80, 302,179,555.20 and 185,580,665.60

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Solution

The fourth proportional to 201,453,036.80, 302,179,555.20 and 185,580,665.60 is: 278,370,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,453,036.80 : 302,179,555.20 = 185,580,665.60 : x
  2. Step 2: Convert to fraction form
    201,453,036.80/302,179,555.20 = 185,580,665.60/x
  3. Step 3: Cross multiply
    201,453,036.80x = 302,179,555.20 × 185,580,665.60
  4. Step 4: Simplify right side
    201,453,036.80x = 56,078,682,984,727,936
  5. Step 5: Solve for x
    x = 56,078,682,984,727,936/201,453,036.80
  6. Step 6: Final answer
    x = 278,370,998.40

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Similar ratio
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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.