Home / 201,420,010.20-302,130,015.30-105,669,456.60

Finding the Fourth Proportional to 201,420,010.20, 302,130,015.30 and 105,669,456.60

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Solution

The fourth proportional to 201,420,010.20, 302,130,015.30 and 105,669,456.60 is: 158,504,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,420,010.20 : 302,130,015.30 = 105,669,456.60 : x
  2. Step 2: Convert to fraction form
    201,420,010.20/302,130,015.30 = 105,669,456.60/x
  3. Step 3: Cross multiply
    201,420,010.20x = 302,130,015.30 × 105,669,456.60
  4. Step 4: Simplify right side
    201,420,010.20x = 31,925,914,539,300,684
  5. Step 5: Solve for x
    x = 31,925,914,539,300,684/201,420,010.20
  6. Step 6: Final answer
    x = 158,504,184.90

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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.