Home / 371,781,490.06-513,055,620.54-204,514,150.78

Finding the Fourth Proportional to 371,781,490.06, 513,055,620.54 and 204,514,150.78

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Solution

The fourth proportional to 371,781,490.06, 513,055,620.54 and 204,514,150.78 is: 282,227,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,781,490.06 : 513,055,620.54 = 204,514,150.78 : x
  2. Step 2: Convert to fraction form
    371,781,490.06/513,055,620.54 = 204,514,150.78/x
  3. Step 3: Cross multiply
    371,781,490.06x = 513,055,620.54 × 204,514,150.78
  4. Step 4: Simplify right side
    371,781,490.06x = 104,927,134,537,644,032
  5. Step 5: Solve for x
    x = 104,927,134,537,644,032/371,781,490.06
  6. Step 6: Final answer
    x = 282,227,968.16

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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.