Home / 74,464,360.40-111,696,540.60-20,611,672.40

Finding the Fourth Proportional to 74,464,360.40, 111,696,540.60 and 20,611,672.40

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Solution

The fourth proportional to 74,464,360.40, 111,696,540.60 and 20,611,672.40 is: 30,917,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464,360.40 : 111,696,540.60 = 20,611,672.40 : x
  2. Step 2: Convert to fraction form
    74,464,360.40/111,696,540.60 = 20,611,672.40/x
  3. Step 3: Cross multiply
    74,464,360.40x = 111,696,540.60 × 20,611,672.40
  4. Step 4: Simplify right side
    74,464,360.40x = 2,302,252,503,060,499
  5. Step 5: Solve for x
    x = 2,302,252,503,060,499/74,464,360.40
  6. Step 6: Final answer
    x = 30,917,508.60

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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.