Home / 86,172,532.85-118,917,926.39-47,014,335.51

Finding the Fourth Proportional to 86,172,532.85, 118,917,926.39 and 47,014,335.51

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Solution

The fourth proportional to 86,172,532.85, 118,917,926.39 and 47,014,335.51 is: 64,879,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,172,532.85 : 118,917,926.39 = 47,014,335.51 : x
  2. Step 2: Convert to fraction form
    86,172,532.85/118,917,926.39 = 47,014,335.51/x
  3. Step 3: Cross multiply
    86,172,532.85x = 118,917,926.39 × 47,014,335.51
  4. Step 4: Simplify right side
    86,172,532.85x = 5,590,847,289,217,871
  5. Step 5: Solve for x
    x = 5,590,847,289,217,871/86,172,532.85
  6. Step 6: Final answer
    x = 64,879,690.83

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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.