Home / 197,112,641.64-295,698,378.29-72,605,783.03

Finding the Fourth Proportional to 197,112,641.64, 295,698,378.29 and 72,605,783.03

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Solution

The fourth proportional to 197,112,641.64, 295,698,378.29 and 72,605,783.03 is: 108,919,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,112,641.64 : 295,698,378.29 = 72,605,783.03 : x
  2. Step 2: Convert to fraction form
    197,112,641.64/295,698,378.29 = 72,605,783.03/x
  3. Step 3: Cross multiply
    197,112,641.64x = 295,698,378.29 × 72,605,783.03
  4. Step 4: Simplify right side
    197,112,641.64x = 21,469,412,294,605,084
  5. Step 5: Solve for x
    x = 21,469,412,294,605,084/197,112,641.64
  6. Step 6: Final answer
    x = 108,919,509.76

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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.