Home / 172,579,843.40-258,869,765.10-49,757,923.40

Finding the Fourth Proportional to 172,579,843.40, 258,869,765.10 and 49,757,923.40

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Solution

The fourth proportional to 172,579,843.40, 258,869,765.10 and 49,757,923.40 is: 74,636,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,579,843.40 : 258,869,765.10 = 49,757,923.40 : x
  2. Step 2: Convert to fraction form
    172,579,843.40/258,869,765.10 = 49,757,923.40/x
  3. Step 3: Cross multiply
    172,579,843.40x = 258,869,765.10 × 49,757,923.40
  4. Step 4: Simplify right side
    172,579,843.40x = 12,880,821,942,421,792
  5. Step 5: Solve for x
    x = 12,880,821,942,421,792/172,579,843.40
  6. Step 6: Final answer
    x = 74,636,885.10

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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.