Home / 305,519,797.82-421,653,222.34-171,579,726.02

Finding the Fourth Proportional to 305,519,797.82, 421,653,222.34 and 171,579,726.02

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Solution

The fourth proportional to 305,519,797.82, 421,653,222.34 and 171,579,726.02 is: 236,800,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,519,797.82 : 421,653,222.34 = 171,579,726.02 : x
  2. Step 2: Convert to fraction form
    305,519,797.82/421,653,222.34 = 171,579,726.02/x
  3. Step 3: Cross multiply
    305,519,797.82x = 421,653,222.34 × 171,579,726.02
  4. Step 4: Simplify right side
    305,519,797.82x = 72,347,144,364,547,344
  5. Step 5: Solve for x
    x = 72,347,144,364,547,344/305,519,797.82
  6. Step 6: Final answer
    x = 236,800,184.08

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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.