Home / 159,484,995.20-239,339,467.20-68,673,756.80

Finding the Fourth Proportional to 159,484,995.20, 239,339,467.20 and 68,673,756.80

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Solution

The fourth proportional to 159,484,995.20, 239,339,467.20 and 68,673,756.80 is: 103,058,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,484,995.20 : 239,339,467.20 = 68,673,756.80 : x
  2. Step 2: Convert to fraction form
    159,484,995.20/239,339,467.20 = 68,673,756.80/x
  3. Step 3: Cross multiply
    159,484,995.20x = 239,339,467.20 × 68,673,756.80
  4. Step 4: Simplify right side
    159,484,995.20x = 16,436,340,363,134,376
  5. Step 5: Solve for x
    x = 16,436,340,363,134,376/159,484,995.20
  6. Step 6: Final answer
    x = 103,058,851.04

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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.