Home / 197,143,319.80-295,148,109.30-191,474,615.80

Finding the Fourth Proportional to 197,143,319.80, 295,148,109.30 and 191,474,615.80

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Solution

The fourth proportional to 197,143,319.80, 295,148,109.30 and 191,474,615.80 is: 286,661,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,143,319.80 : 295,148,109.30 = 191,474,615.80 : x
  2. Step 2: Convert to fraction form
    197,143,319.80/295,148,109.30 = 191,474,615.80/x
  3. Step 3: Cross multiply
    197,143,319.80x = 295,148,109.30 × 191,474,615.80
  4. Step 4: Simplify right side
    197,143,319.80x = 56,513,370,832,313,912
  5. Step 5: Solve for x
    x = 56,513,370,832,313,912/197,143,319.80
  6. Step 6: Final answer
    x = 286,661,353.22

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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.