Home / 201,453,994.80-302,180,992.20-185,581,623.60

Finding the Fourth Proportional to 201,453,994.80, 302,180,992.20 and 185,581,623.60

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Solution

The fourth proportional to 201,453,994.80, 302,180,992.20 and 185,581,623.60 is: 278,372,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,453,994.80 : 302,180,992.20 = 185,581,623.60 : x
  2. Step 2: Convert to fraction form
    201,453,994.80/302,180,992.20 = 185,581,623.60/x
  3. Step 3: Cross multiply
    201,453,994.80x = 302,180,992.20 × 185,581,623.60
  4. Step 4: Simplify right side
    201,453,994.80x = 56,079,239,153,534,928
  5. Step 5: Solve for x
    x = 56,079,239,153,534,928/201,453,994.80
  6. Step 6: Final answer
    x = 278,372,435.40

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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.