Home / 85,978,448.92-118,650,266.94-46,820,213.92

Finding the Fourth Proportional to 85,978,448.92, 118,650,266.94 and 46,820,213.92

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Solution

The fourth proportional to 85,978,448.92, 118,650,266.94 and 46,820,213.92 is: 64,611,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,978,448.92 : 118,650,266.94 = 46,820,213.92 : x
  2. Step 2: Convert to fraction form
    85,978,448.92/118,650,266.94 = 46,820,213.92/x
  3. Step 3: Cross multiply
    85,978,448.92x = 118,650,266.94 × 46,820,213.92
  4. Step 4: Simplify right side
    85,978,448.92x = 5,555,230,879,795,904
  5. Step 5: Solve for x
    x = 5,555,230,879,795,904/85,978,448.92
  6. Step 6: Final answer
    x = 64,611,899.26

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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.