Home / 221,427,216.90-332,140,825.35-85,117,047.30

Finding the Fourth Proportional to 221,427,216.90, 332,140,825.35 and 85,117,047.30

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Solution

The fourth proportional to 221,427,216.90, 332,140,825.35 and 85,117,047.30 is: 127,675,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,427,216.90 : 332,140,825.35 = 85,117,047.30 : x
  2. Step 2: Convert to fraction form
    221,427,216.90/332,140,825.35 = 85,117,047.30/x
  3. Step 3: Cross multiply
    221,427,216.90x = 332,140,825.35 × 85,117,047.30
  4. Step 4: Simplify right side
    221,427,216.90x = 28,270,846,341,576,992
  5. Step 5: Solve for x
    x = 28,270,846,341,576,992/221,427,216.90
  6. Step 6: Final answer
    x = 127,675,570.95

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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.