Home / 120,880,722-166,813,800.72-67,235,021.40

Finding the Fourth Proportional to 120,880,722, 166,813,800.72 and 67,235,021.40

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Solution

The fourth proportional to 120,880,722, 166,813,800.72 and 67,235,021.40 is: 92,783,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,880,722 : 166,813,800.72 = 67,235,021.40 : x
  2. Step 2: Convert to fraction form
    120,880,722/166,813,800.72 = 67,235,021.40/x
  3. Step 3: Cross multiply
    120,880,722x = 166,813,800.72 × 67,235,021.40
  4. Step 4: Simplify right side
    120,880,722x = 11,215,729,461,224,536
  5. Step 5: Solve for x
    x = 11,215,729,461,224,536/120,880,722
  6. Step 6: Final answer
    x = 92,783,442.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.