Home / 320,781,382.29-442,602,433.51-181,552,139.96

Finding the Fourth Proportional to 320,781,382.29, 442,602,433.51 and 181,552,139.96

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Solution

The fourth proportional to 320,781,382.29, 442,602,433.51 and 181,552,139.96 is: 250,499,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,781,382.29 : 442,602,433.51 = 181,552,139.96 : x
  2. Step 2: Convert to fraction form
    320,781,382.29/442,602,433.51 = 181,552,139.96/x
  3. Step 3: Cross multiply
    320,781,382.29x = 442,602,433.51 × 181,552,139.96
  4. Step 4: Simplify right side
    320,781,382.29x = 80,355,418,952,577,232
  5. Step 5: Solve for x
    x = 80,355,418,952,577,232/320,781,382.29
  6. Step 6: Final answer
    x = 250,499,010.82

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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.