Home / 172,828,588.34-238,521,935.01-105,891,968.43

Finding the Fourth Proportional to 172,828,588.34, 238,521,935.01 and 105,891,968.43

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Solution

The fourth proportional to 172,828,588.34, 238,521,935.01 and 105,891,968.43 is: 146,142,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,828,588.34 : 238,521,935.01 = 105,891,968.43 : x
  2. Step 2: Convert to fraction form
    172,828,588.34/238,521,935.01 = 105,891,968.43/x
  3. Step 3: Cross multiply
    172,828,588.34x = 238,521,935.01 × 105,891,968.43
  4. Step 4: Simplify right side
    172,828,588.34x = 25,257,557,212,338,528
  5. Step 5: Solve for x
    x = 25,257,557,212,338,528/172,828,588.34
  6. Step 6: Final answer
    x = 146,142,241.02

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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.