Home / 320,781,387.92-442,602,441.27-181,552,145.58

Finding the Fourth Proportional to 320,781,387.92, 442,602,441.27 and 181,552,145.58

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Solution

The fourth proportional to 320,781,387.92, 442,602,441.27 and 181,552,145.58 is: 250,499,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,781,387.92 : 442,602,441.27 = 181,552,145.58 : x
  2. Step 2: Convert to fraction form
    320,781,387.92/442,602,441.27 = 181,552,145.58/x
  3. Step 3: Cross multiply
    320,781,387.92x = 442,602,441.27 × 181,552,145.58
  4. Step 4: Simplify right side
    320,781,387.92x = 80,355,422,851,514,448
  5. Step 5: Solve for x
    x = 80,355,422,851,514,448/320,781,387.92
  6. Step 6: Final answer
    x = 250,499,018.58

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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.