Home / 67,971,878.67-102,029,132.50-60,240,260.97

Finding the Fourth Proportional to 67,971,878.67, 102,029,132.50 and 60,240,260.97

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Solution

The fourth proportional to 67,971,878.67, 102,029,132.50 and 60,240,260.97 is: 90,423,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,971,878.67 : 102,029,132.50 = 60,240,260.97 : x
  2. Step 2: Convert to fraction form
    67,971,878.67/102,029,132.50 = 60,240,260.97/x
  3. Step 3: Cross multiply
    67,971,878.67x = 102,029,132.50 × 60,240,260.97
  4. Step 4: Simplify right side
    67,971,878.67x = 6,146,261,568,192,108
  5. Step 5: Solve for x
    x = 6,146,261,568,192,108/67,971,878.67
  6. Step 6: Final answer
    x = 90,423,594.12

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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.