Home / 92,542,409.52-127,634,059.96-81,354,982.16

Finding the Fourth Proportional to 92,542,409.52, 127,634,059.96 and 81,354,982.16

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Solution

The fourth proportional to 92,542,409.52, 127,634,059.96 and 81,354,982.16 is: 112,204,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,542,409.52 : 127,634,059.96 = 81,354,982.16 : x
  2. Step 2: Convert to fraction form
    92,542,409.52/127,634,059.96 = 81,354,982.16/x
  3. Step 3: Cross multiply
    92,542,409.52x = 127,634,059.96 × 81,354,982.16
  4. Step 4: Simplify right side
    92,542,409.52x = 10,383,666,671,054,170
  5. Step 5: Solve for x
    x = 10,383,666,671,054,170/92,542,409.52
  6. Step 6: Final answer
    x = 112,204,412.28

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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.