Home / 64,886,611.26-89,543,611-40,440,325.26

Finding the Fourth Proportional to 64,886,611.26, 89,543,611 and 40,440,325.26

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Solution

The fourth proportional to 64,886,611.26, 89,543,611 and 40,440,325.26 is: 55,807,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,886,611.26 : 89,543,611 = 40,440,325.26 : x
  2. Step 2: Convert to fraction form
    64,886,611.26/89,543,611 = 40,440,325.26/x
  3. Step 3: Cross multiply
    64,886,611.26x = 89,543,611 × 40,440,325.26
  4. Step 4: Simplify right side
    64,886,611.26x = 3,621,172,753,794,913.50
  5. Step 5: Solve for x
    x = 3,621,172,753,794,913.50/64,886,611.26
  6. Step 6: Final answer
    x = 55,807,703.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.