Home / 55,188,069.10-82,782,103.65-54,054,328.30

Finding the Fourth Proportional to 55,188,069.10, 82,782,103.65 and 54,054,328.30

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Solution

The fourth proportional to 55,188,069.10, 82,782,103.65 and 54,054,328.30 is: 81,081,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188,069.10 : 82,782,103.65 = 54,054,328.30 : x
  2. Step 2: Convert to fraction form
    55,188,069.10/82,782,103.65 = 54,054,328.30/x
  3. Step 3: Cross multiply
    55,188,069.10x = 82,782,103.65 × 54,054,328.30
  4. Step 4: Simplify right side
    55,188,069.10x = 4,474,731,008,061,728.50
  5. Step 5: Solve for x
    x = 4,474,731,008,061,728.50/55,188,069.10
  6. Step 6: Final answer
    x = 81,081,492.45

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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.