Home / 172,485,896.08-238,137,979.64-109,797,378.16

Finding the Fourth Proportional to 172,485,896.08, 238,137,979.64 and 109,797,378.16

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Solution

The fourth proportional to 172,485,896.08, 238,137,979.64 and 109,797,378.16 is: 151,588,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,485,896.08 : 238,137,979.64 = 109,797,378.16 : x
  2. Step 2: Convert to fraction form
    172,485,896.08/238,137,979.64 = 109,797,378.16/x
  3. Step 3: Cross multiply
    172,485,896.08x = 238,137,979.64 × 109,797,378.16
  4. Step 4: Simplify right side
    172,485,896.08x = 26,146,925,804,791,460
  5. Step 5: Solve for x
    x = 26,146,925,804,791,460/172,485,896.08
  6. Step 6: Final answer
    x = 151,588,775.66

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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.