Home / 149,258,453.52-205,967,617.38-82,274,482.11

Finding the Fourth Proportional to 149,258,453.52, 205,967,617.38 and 82,274,482.11

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Solution

The fourth proportional to 149,258,453.52, 205,967,617.38 and 82,274,482.11 is: 113,533,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,258,453.52 : 205,967,617.38 = 82,274,482.11 : x
  2. Step 2: Convert to fraction form
    149,258,453.52/205,967,617.38 = 82,274,482.11/x
  3. Step 3: Cross multiply
    149,258,453.52x = 205,967,617.38 × 82,274,482.11
  4. Step 4: Simplify right side
    149,258,453.52x = 16,945,879,051,370,134
  5. Step 5: Solve for x
    x = 16,945,879,051,370,134/149,258,453.52
  6. Step 6: Final answer
    x = 113,533,797.60

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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.