Home / 68,183,767.32-102,290,763.72-19,657,834.20

Finding the Fourth Proportional to 68,183,767.32, 102,290,763.72 and 19,657,834.20

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Solution

The fourth proportional to 68,183,767.32, 102,290,763.72 and 19,657,834.20 is: 29,491,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,183,767.32 : 102,290,763.72 = 19,657,834.20 : x
  2. Step 2: Convert to fraction form
    68,183,767.32/102,290,763.72 = 19,657,834.20/x
  3. Step 3: Cross multiply
    68,183,767.32x = 102,290,763.72 × 19,657,834.20
  4. Step 4: Simplify right side
    68,183,767.32x = 2,010,814,873,399,135
  5. Step 5: Solve for x
    x = 2,010,814,873,399,135/68,183,767.32
  6. Step 6: Final answer
    x = 29,491,108.40

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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.