Home / 109,079,474.40-163,619,211.60-68,264,805.60

Finding the Fourth Proportional to 109,079,474.40, 163,619,211.60 and 68,264,805.60

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Solution

The fourth proportional to 109,079,474.40, 163,619,211.60 and 68,264,805.60 is: 102,397,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,079,474.40 : 163,619,211.60 = 68,264,805.60 : x
  2. Step 2: Convert to fraction form
    109,079,474.40/163,619,211.60 = 68,264,805.60/x
  3. Step 3: Cross multiply
    109,079,474.40x = 163,619,211.60 × 68,264,805.60
  4. Step 4: Simplify right side
    109,079,474.40x = 11,169,433,672,299,264
  5. Step 5: Solve for x
    x = 11,169,433,672,299,264/109,079,474.40
  6. Step 6: Final answer
    x = 102,397,208.40

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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.