Home / 92,542,368.96-127,634,004.09-81,354,941.64

Finding the Fourth Proportional to 92,542,368.96, 127,634,004.09 and 81,354,941.64

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Solution

The fourth proportional to 92,542,368.96, 127,634,004.09 and 81,354,941.64 is: 112,204,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,542,368.96 : 127,634,004.09 = 81,354,941.64 : x
  2. Step 2: Convert to fraction form
    92,542,368.96/127,634,004.09 = 81,354,941.64/x
  3. Step 3: Cross multiply
    92,542,368.96x = 127,634,004.09 × 81,354,941.64
  4. Step 4: Simplify right side
    92,542,368.96x = 10,383,656,954,021,472
  5. Step 5: Solve for x
    x = 10,383,656,954,021,472/92,542,368.96
  6. Step 6: Final answer
    x = 112,204,356.46

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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.