Home / 86,172,392.36-118,917,732.96-47,014,195.64

Finding the Fourth Proportional to 86,172,392.36, 118,917,732.96 and 47,014,195.64

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Solution

The fourth proportional to 86,172,392.36, 118,917,732.96 and 47,014,195.64 is: 64,879,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,172,392.36 : 118,917,732.96 = 47,014,195.64 : x
  2. Step 2: Convert to fraction form
    86,172,392.36/118,917,732.96 = 47,014,195.64/x
  3. Step 3: Cross multiply
    86,172,392.36x = 118,917,732.96 × 47,014,195.64
  4. Step 4: Simplify right side
    86,172,392.36x = 5,590,821,561,852,127
  5. Step 5: Solve for x
    x = 5,590,821,561,852,127/86,172,392.36
  6. Step 6: Final answer
    x = 64,879,498.05

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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.