Home / 238,654,145.68-329,666,914.92-187,094,133.52

Finding the Fourth Proportional to 238,654,145.68, 329,666,914.92 and 187,094,133.52

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Solution

The fourth proportional to 238,654,145.68, 329,666,914.92 and 187,094,133.52 is: 258,444,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,654,145.68 : 329,666,914.92 = 187,094,133.52 : x
  2. Step 2: Convert to fraction form
    238,654,145.68/329,666,914.92 = 187,094,133.52/x
  3. Step 3: Cross multiply
    238,654,145.68x = 329,666,914.92 × 187,094,133.52
  4. Step 4: Simplify right side
    238,654,145.68x = 61,678,745,797,168,968
  5. Step 5: Solve for x
    x = 61,678,745,797,168,968/238,654,145.68
  6. Step 6: Final answer
    x = 258,444,057.70

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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.