Home / 299,432,742.49-413,239,552.22-172,312,387.43

Finding the Fourth Proportional to 299,432,742.49, 413,239,552.22 and 172,312,387.43

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Solution

The fourth proportional to 299,432,742.49, 413,239,552.22 and 172,312,387.43 is: 237,803,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,432,742.49 : 413,239,552.22 = 172,312,387.43 : x
  2. Step 2: Convert to fraction form
    299,432,742.49/413,239,552.22 = 172,312,387.43/x
  3. Step 3: Cross multiply
    299,432,742.49x = 413,239,552.22 × 172,312,387.43
  4. Step 4: Simplify right side
    299,432,742.49x = 71,206,293,823,703,888
  5. Step 5: Solve for x
    x = 71,206,293,823,703,888/299,432,742.49
  6. Step 6: Final answer
    x = 237,803,966.37

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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.