Home / 195,431,045.40-293,146,568.10-67,780,229.40

Finding the Fourth Proportional to 195,431,045.40, 293,146,568.10 and 67,780,229.40

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Solution

The fourth proportional to 195,431,045.40, 293,146,568.10 and 67,780,229.40 is: 101,670,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,431,045.40 : 293,146,568.10 = 67,780,229.40 : x
  2. Step 2: Convert to fraction form
    195,431,045.40/293,146,568.10 = 67,780,229.40/x
  3. Step 3: Cross multiply
    195,431,045.40x = 293,146,568.10 × 67,780,229.40
  4. Step 4: Simplify right side
    195,431,045.40x = 19,869,541,633,640,724
  5. Step 5: Solve for x
    x = 19,869,541,633,640,724/195,431,045.40
  6. Step 6: Final answer
    x = 101,670,344.10

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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.