Home / 118,492,380-163,453,636.92-68,927,177.52

Finding the Fourth Proportional to 118,492,380, 163,453,636.92 and 68,927,177.52

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Solution

The fourth proportional to 118,492,380, 163,453,636.92 and 68,927,177.52 is: 95,081,201.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,492,380 : 163,453,636.92 = 68,927,177.52 : x
  2. Step 2: Convert to fraction form
    118,492,380/163,453,636.92 = 68,927,177.52/x
  3. Step 3: Cross multiply
    118,492,380x = 163,453,636.92 × 68,927,177.52
  4. Step 4: Simplify right side
    118,492,380x = 11,266,397,848,274,464
  5. Step 5: Solve for x
    x = 11,266,397,848,274,464/118,492,380
  6. Step 6: Final answer
    x = 95,081,201.41

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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.