Home / 103,085,367-154,628,983.62-31,281,783

Finding the Fourth Proportional to 103,085,367, 154,628,983.62 and 31,281,783

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Solution

The fourth proportional to 103,085,367, 154,628,983.62 and 31,281,783 is: 46,922,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,085,367 : 154,628,983.62 = 31,281,783 : x
  2. Step 2: Convert to fraction form
    103,085,367/154,628,983.62 = 31,281,783/x
  3. Step 3: Cross multiply
    103,085,367x = 154,628,983.62 × 31,281,783
  4. Step 4: Simplify right side
    103,085,367x = 4,837,070,311,111,395
  5. Step 5: Solve for x
    x = 4,837,070,311,111,395/103,085,367
  6. Step 6: Final answer
    x = 46,922,957.66

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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.