Home / 197,070,996.87-295,606,776.20-80,486,373.51

Finding the Fourth Proportional to 197,070,996.87, 295,606,776.20 and 80,486,373.51

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Solution

The fourth proportional to 197,070,996.87, 295,606,776.20 and 80,486,373.51 is: 120,729,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,070,996.87 : 295,606,776.20 = 80,486,373.51 : x
  2. Step 2: Convert to fraction form
    197,070,996.87/295,606,776.20 = 80,486,373.51/x
  3. Step 3: Cross multiply
    197,070,996.87x = 295,606,776.20 × 80,486,373.51
  4. Step 4: Simplify right side
    197,070,996.87x = 23,792,317,400,917,748
  5. Step 5: Solve for x
    x = 23,792,317,400,917,748/197,070,996.87
  6. Step 6: Final answer
    x = 120,729,674.98

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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.