Home / 154,483,110.37-213,186,778.41-84,872,975.28

Finding the Fourth Proportional to 154,483,110.37, 213,186,778.41 and 84,872,975.28

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Solution

The fourth proportional to 154,483,110.37, 213,186,778.41 and 84,872,975.28 is: 117,124,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,483,110.37 : 213,186,778.41 = 84,872,975.28 : x
  2. Step 2: Convert to fraction form
    154,483,110.37/213,186,778.41 = 84,872,975.28/x
  3. Step 3: Cross multiply
    154,483,110.37x = 213,186,778.41 × 84,872,975.28
  4. Step 4: Simplify right side
    154,483,110.37x = 18,093,796,173,590,404
  5. Step 5: Solve for x
    x = 18,093,796,173,590,404/154,483,110.37
  6. Step 6: Final answer
    x = 117,124,753.19

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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.