Home / 85,524,028.37-118,120,589.78-57,974,126.93

Finding the Fourth Proportional to 85,524,028.37, 118,120,589.78 and 57,974,126.93

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Solution

The fourth proportional to 85,524,028.37, 118,120,589.78 and 57,974,126.93 is: 80,070,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524,028.37 : 118,120,589.78 = 57,974,126.93 : x
  2. Step 2: Convert to fraction form
    85,524,028.37/118,120,589.78 = 57,974,126.93/x
  3. Step 3: Cross multiply
    85,524,028.37x = 118,120,589.78 × 57,974,126.93
  4. Step 4: Simplify right side
    85,524,028.37x = 6,847,938,064,506,513
  5. Step 5: Solve for x
    x = 6,847,938,064,506,513/85,524,028.37
  6. Step 6: Final answer
    x = 80,070,340.41

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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.