Home / 262,196,718.40-393,295,077.60-80,443,604.80

Finding the Fourth Proportional to 262,196,718.40, 393,295,077.60 and 80,443,604.80

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Solution

The fourth proportional to 262,196,718.40, 393,295,077.60 and 80,443,604.80 is: 120,665,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,196,718.40 : 393,295,077.60 = 80,443,604.80 : x
  2. Step 2: Convert to fraction form
    262,196,718.40/393,295,077.60 = 80,443,604.80/x
  3. Step 3: Cross multiply
    262,196,718.40x = 393,295,077.60 × 80,443,604.80
  4. Step 4: Simplify right side
    262,196,718.40x = 31,638,073,792,239,732
  5. Step 5: Solve for x
    x = 31,638,073,792,239,732/262,196,718.40
  6. Step 6: Final answer
    x = 120,665,407.20

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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.