Home / 228,096,007.20-342,144,010.80-74,747,066.40

Finding the Fourth Proportional to 228,096,007.20, 342,144,010.80 and 74,747,066.40

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Solution

The fourth proportional to 228,096,007.20, 342,144,010.80 and 74,747,066.40 is: 112,120,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,096,007.20 : 342,144,010.80 = 74,747,066.40 : x
  2. Step 2: Convert to fraction form
    228,096,007.20/342,144,010.80 = 74,747,066.40/x
  3. Step 3: Cross multiply
    228,096,007.20x = 342,144,010.80 × 74,747,066.40
  4. Step 4: Simplify right side
    228,096,007.20x = 25,574,261,093,629,920
  5. Step 5: Solve for x
    x = 25,574,261,093,629,920/228,096,007.20
  6. Step 6: Final answer
    x = 112,120,599.60

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1.5x scale

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.