Home / 320,696,473.08-442,570,940.46-188,513,221.08

Finding the Fourth Proportional to 320,696,473.08, 442,570,940.46 and 188,513,221.08

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Solution

The fourth proportional to 320,696,473.08, 442,570,940.46 and 188,513,221.08 is: 260,154,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,696,473.08 : 442,570,940.46 = 188,513,221.08 : x
  2. Step 2: Convert to fraction form
    320,696,473.08/442,570,940.46 = 188,513,221.08/x
  3. Step 3: Cross multiply
    320,696,473.08x = 442,570,940.46 × 188,513,221.08
  4. Step 4: Simplify right side
    320,696,473.08x = 83,430,473,542,519,504
  5. Step 5: Solve for x
    x = 83,430,473,542,519,504/320,696,473.08
  6. Step 6: Final answer
    x = 260,154,010.24

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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.