Home / 284,109,113.80-426,163,670.70-131,054,105.80

Finding the Fourth Proportional to 284,109,113.80, 426,163,670.70 and 131,054,105.80

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Solution

The fourth proportional to 284,109,113.80, 426,163,670.70 and 131,054,105.80 is: 196,581,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,109,113.80 : 426,163,670.70 = 131,054,105.80 : x
  2. Step 2: Convert to fraction form
    284,109,113.80/426,163,670.70 = 131,054,105.80/x
  3. Step 3: Cross multiply
    284,109,113.80x = 426,163,670.70 × 131,054,105.80
  4. Step 4: Simplify right side
    284,109,113.80x = 55,850,498,788,034,160
  5. Step 5: Solve for x
    x = 55,850,498,788,034,160/284,109,113.80
  6. Step 6: Final answer
    x = 196,581,158.70

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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.