Home / 81,084,169.33-121,670,531.34-34,390,392.24

Finding the Fourth Proportional to 81,084,169.33, 121,670,531.34 and 34,390,392.24

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Solution

The fourth proportional to 81,084,169.33, 121,670,531.34 and 34,390,392.24 is: 51,604,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,084,169.33 : 121,670,531.34 = 34,390,392.24 : x
  2. Step 2: Convert to fraction form
    81,084,169.33/121,670,531.34 = 34,390,392.24/x
  3. Step 3: Cross multiply
    81,084,169.33x = 121,670,531.34 × 34,390,392.24
  4. Step 4: Simplify right side
    81,084,169.33x = 4,184,297,297,159,113.50
  5. Step 5: Solve for x
    x = 4,184,297,297,159,113.50/81,084,169.33
  6. Step 6: Final answer
    x = 51,604,367.81

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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.