Home / 154,483,111.37-213,186,779.79-84,872,976.29

Finding the Fourth Proportional to 154,483,111.37, 213,186,779.79 and 84,872,976.29

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Solution

The fourth proportional to 154,483,111.37, 213,186,779.79 and 84,872,976.29 is: 117,124,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,483,111.37 : 213,186,779.79 = 84,872,976.29 : x
  2. Step 2: Convert to fraction form
    154,483,111.37/213,186,779.79 = 84,872,976.29/x
  3. Step 3: Cross multiply
    154,483,111.37x = 213,186,779.79 × 84,872,976.29
  4. Step 4: Simplify right side
    154,483,111.37x = 18,093,796,505,392,184
  5. Step 5: Solve for x
    x = 18,093,796,505,392,184/154,483,111.37
  6. Step 6: Final answer
    x = 117,124,754.58

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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.