Home / 118,899,940.32-164,068,798.32-66,678,229.44

Finding the Fourth Proportional to 118,899,940.32, 164,068,798.32 and 66,678,229.44

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Solution

The fourth proportional to 118,899,940.32, 164,068,798.32 and 66,678,229.44 is: 92,008,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,899,940.32 : 164,068,798.32 = 66,678,229.44 : x
  2. Step 2: Convert to fraction form
    118,899,940.32/164,068,798.32 = 66,678,229.44/x
  3. Step 3: Cross multiply
    118,899,940.32x = 164,068,798.32 × 66,678,229.44
  4. Step 4: Simplify right side
    118,899,940.32x = 10,939,816,978,326,046
  5. Step 5: Solve for x
    x = 10,939,816,978,326,046/118,899,940.32
  6. Step 6: Final answer
    x = 92,008,599.41

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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.