Home / 201,786,465,745.12-302,679,989,928.48-82,403,790,275.45

Finding the Fourth Proportional to 201,786,465,745.12, 302,679,989,928.48 and 82,403,790,275.45

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Solution

The fourth proportional to 201,786,465,745.12, 302,679,989,928.48 and 82,403,790,275.45 is: 123,605,804,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,786,465,745.12 : 302,679,989,928.48 = 82,403,790,275.45 : x
  2. Step 2: Convert to fraction form
    201,786,465,745.12/302,679,989,928.48 = 82,403,790,275.45/x
  3. Step 3: Cross multiply
    201,786,465,745.12x = 302,679,989,928.48 × 82,403,790,275.45
  4. Step 4: Simplify right side
    201,786,465,745.12x = 24,941,978,410,641,782,734,848
  5. Step 5: Solve for x
    x = 24,941,978,410,641,782,734,848/201,786,465,745.12
  6. Step 6: Final answer
    x = 123,605,804,376.13

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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.