Home / 120,880,693.53-166,813,761.38-67,234,992.93

Finding the Fourth Proportional to 120,880,693.53, 166,813,761.38 and 67,234,992.93

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Solution

The fourth proportional to 120,880,693.53, 166,813,761.38 and 67,234,992.93 is: 92,783,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,880,693.53 : 166,813,761.38 = 67,234,992.93 : x
  2. Step 2: Convert to fraction form
    120,880,693.53/166,813,761.38 = 67,234,992.93/x
  3. Step 3: Cross multiply
    120,880,693.53x = 166,813,761.38 × 67,234,992.93
  4. Step 4: Simplify right side
    120,880,693.53x = 11,215,722,066,674,834
  5. Step 5: Solve for x
    x = 11,215,722,066,674,834/120,880,693.53
  6. Step 6: Final answer
    x = 92,783,402.70

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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.