Home / 172,785,898.72-238,444,969.52-94,474,506.08

Finding the Fourth Proportional to 172,785,898.72, 238,444,969.52 and 94,474,506.08

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Solution

The fourth proportional to 172,785,898.72, 238,444,969.52 and 94,474,506.08 is: 130,375,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,785,898.72 : 238,444,969.52 = 94,474,506.08 : x
  2. Step 2: Convert to fraction form
    172,785,898.72/238,444,969.52 = 94,474,506.08/x
  3. Step 3: Cross multiply
    172,785,898.72x = 238,444,969.52 × 94,474,506.08
  4. Step 4: Simplify right side
    172,785,898.72x = 22,526,970,722,662,656
  5. Step 5: Solve for x
    x = 22,526,970,722,662,656/172,785,898.72
  6. Step 6: Final answer
    x = 130,375,053.11

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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.