Home / 85,638,102.49-118,177,575.78-46,479,091.06

Finding the Fourth Proportional to 85,638,102.49, 118,177,575.78 and 46,479,091.06

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Solution

The fourth proportional to 85,638,102.49, 118,177,575.78 and 46,479,091.06 is: 64,139,514.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,638,102.49 : 118,177,575.78 = 46,479,091.06 : x
  2. Step 2: Convert to fraction form
    85,638,102.49/118,177,575.78 = 46,479,091.06/x
  3. Step 3: Cross multiply
    85,638,102.49x = 118,177,575.78 × 46,479,091.06
  4. Step 4: Simplify right side
    85,638,102.49x = 5,492,786,305,928,671
  5. Step 5: Solve for x
    x = 5,492,786,305,928,671/85,638,102.49
  6. Step 6: Final answer
    x = 64,139,514.38

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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.