Home / 258,602,405.30-356,878,878.09-141,135,274.52

Finding the Fourth Proportional to 258,602,405.30, 356,878,878.09 and 141,135,274.52

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Solution

The fourth proportional to 258,602,405.30, 356,878,878.09 and 141,135,274.52 is: 194,770,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,602,405.30 : 356,878,878.09 = 141,135,274.52 : x
  2. Step 2: Convert to fraction form
    258,602,405.30/356,878,878.09 = 141,135,274.52/x
  3. Step 3: Cross multiply
    258,602,405.30x = 356,878,878.09 × 141,135,274.52
  4. Step 4: Simplify right side
    258,602,405.30x = 50,368,198,429,621,760
  5. Step 5: Solve for x
    x = 50,368,198,429,621,760/258,602,405.30
  6. Step 6: Final answer
    x = 194,770,804.13

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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.