Home / 262,200,012.80-393,300,019.20-89,661,459.20

Finding the Fourth Proportional to 262,200,012.80, 393,300,019.20 and 89,661,459.20

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Solution

The fourth proportional to 262,200,012.80, 393,300,019.20 and 89,661,459.20 is: 134,492,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,200,012.80 : 393,300,019.20 = 89,661,459.20 : x
  2. Step 2: Convert to fraction form
    262,200,012.80/393,300,019.20 = 89,661,459.20/x
  3. Step 3: Cross multiply
    262,200,012.80x = 393,300,019.20 × 89,661,459.20
  4. Step 4: Simplify right side
    262,200,012.80x = 35,263,853,624,860,016
  5. Step 5: Solve for x
    x = 35,263,853,624,860,016/262,200,012.80
  6. Step 6: Final answer
    x = 134,492,188.80

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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.