Home / 84,765,745.36-127,167,571.68-30,913,057.36

Finding the Fourth Proportional to 84,765,745.36, 127,167,571.68 and 30,913,057.36

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Solution

The fourth proportional to 84,765,745.36, 127,167,571.68 and 30,913,057.36 is: 46,376,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,765,745.36 : 127,167,571.68 = 30,913,057.36 : x
  2. Step 2: Convert to fraction form
    84,765,745.36/127,167,571.68 = 30,913,057.36/x
  3. Step 3: Cross multiply
    84,765,745.36x = 127,167,571.68 × 30,913,057.36
  4. Step 4: Simplify right side
    84,765,745.36x = 3,931,138,437,675,751.50
  5. Step 5: Solve for x
    x = 3,931,138,437,675,751.50/84,765,745.36
  6. Step 6: Final answer
    x = 46,376,498.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.