Home / 170,013,183.30-255,018,926.76-66,392,916.88

Finding the Fourth Proportional to 170,013,183.30, 255,018,926.76 and 66,392,916.88

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Solution

The fourth proportional to 170,013,183.30, 255,018,926.76 and 66,392,916.88 is: 99,589,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,013,183.30 : 255,018,926.76 = 66,392,916.88 : x
  2. Step 2: Convert to fraction form
    170,013,183.30/255,018,926.76 = 66,392,916.88/x
  3. Step 3: Cross multiply
    170,013,183.30x = 255,018,926.76 × 66,392,916.88
  4. Step 4: Simplify right side
    170,013,183.30x = 16,931,450,407,203,488
  5. Step 5: Solve for x
    x = 16,931,450,407,203,488/170,013,183.30
  6. Step 6: Final answer
    x = 99,589,044.09

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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.