Home / 188,621,054.20-260,297,066.79-104,987,384.40

Finding the Fourth Proportional to 188,621,054.20, 260,297,066.79 and 104,987,384.40

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Solution

The fourth proportional to 188,621,054.20, 260,297,066.79 and 104,987,384.40 is: 144,882,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,621,054.20 : 260,297,066.79 = 104,987,384.40 : x
  2. Step 2: Convert to fraction form
    188,621,054.20/260,297,066.79 = 104,987,384.40/x
  3. Step 3: Cross multiply
    188,621,054.20x = 260,297,066.79 × 104,987,384.40
  4. Step 4: Simplify right side
    188,621,054.20x = 27,327,908,210,544,284
  5. Step 5: Solve for x
    x = 27,327,908,210,544,284/188,621,054.20
  6. Step 6: Final answer
    x = 144,882,597.16

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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.