Home / 92,542,501.78-127,634,187.43-81,355,075.17

Finding the Fourth Proportional to 92,542,501.78, 127,634,187.43 and 81,355,075.17

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Solution

The fourth proportional to 92,542,501.78, 127,634,187.43 and 81,355,075.17 is: 112,204,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,542,501.78 : 127,634,187.43 = 81,355,075.17 : x
  2. Step 2: Convert to fraction form
    92,542,501.78/127,634,187.43 = 81,355,075.17/x
  3. Step 3: Cross multiply
    92,542,501.78x = 127,634,187.43 × 81,355,075.17
  4. Step 4: Simplify right side
    92,542,501.78x = 10,383,688,912,839,846
  5. Step 5: Solve for x
    x = 10,383,688,912,839,846/92,542,501.78
  6. Step 6: Final answer
    x = 112,204,540.75

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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.