Home / 82,518,272.51-113,875,239.99-45,848,843.51

Finding the Fourth Proportional to 82,518,272.51, 113,875,239.99 and 45,848,843.51

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Solution

The fourth proportional to 82,518,272.51, 113,875,239.99 and 45,848,843.51 is: 63,271,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,518,272.51 : 113,875,239.99 = 45,848,843.51 : x
  2. Step 2: Convert to fraction form
    82,518,272.51/113,875,239.99 = 45,848,843.51/x
  3. Step 3: Cross multiply
    82,518,272.51x = 113,875,239.99 × 45,848,843.51
  4. Step 4: Simplify right side
    82,518,272.51x = 5,221,048,057,965,203
  5. Step 5: Solve for x
    x = 5,221,048,057,965,203/82,518,272.51
  6. Step 6: Final answer
    x = 63,271,417.34

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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.