Home / 154,433,103.80-231,680,759.70-45,258,063.80

Finding the Fourth Proportional to 154,433,103.80, 231,680,759.70 and 45,258,063.80

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Solution

The fourth proportional to 154,433,103.80, 231,680,759.70 and 45,258,063.80 is: 67,896,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,433,103.80 : 231,680,759.70 = 45,258,063.80 : x
  2. Step 2: Convert to fraction form
    154,433,103.80/231,680,759.70 = 45,258,063.80/x
  3. Step 3: Cross multiply
    154,433,103.80x = 231,680,759.70 × 45,258,063.80
  4. Step 4: Simplify right side
    154,433,103.80x = 10,485,422,603,735,068
  5. Step 5: Solve for x
    x = 10,485,422,603,735,068/154,433,103.80
  6. Step 6: Final answer
    x = 67,896,211.02

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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.