Home / 148,733,125.85-205,035,391.64-103,940,028.45

Finding the Fourth Proportional to 148,733,125.85, 205,035,391.64 and 103,940,028.45

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Solution

The fourth proportional to 148,733,125.85, 205,035,391.64 and 103,940,028.45 is: 143,286,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,733,125.85 : 205,035,391.64 = 103,940,028.45 : x
  2. Step 2: Convert to fraction form
    148,733,125.85/205,035,391.64 = 103,940,028.45/x
  3. Step 3: Cross multiply
    148,733,125.85x = 205,035,391.64 × 103,940,028.45
  4. Step 4: Simplify right side
    148,733,125.85x = 21,311,384,440,578,344
  5. Step 5: Solve for x
    x = 21,311,384,440,578,344/148,733,125.85
  6. Step 6: Final answer
    x = 143,286,065.69

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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.