Home / 343,727,829.25-515,586,695.54-84,943,042.54

Finding the Fourth Proportional to 343,727,829.25, 515,586,695.54 and 84,943,042.54

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Solution

The fourth proportional to 343,727,829.25, 515,586,695.54 and 84,943,042.54 is: 127,413,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,727,829.25 : 515,586,695.54 = 84,943,042.54 : x
  2. Step 2: Convert to fraction form
    343,727,829.25/515,586,695.54 = 84,943,042.54/x
  3. Step 3: Cross multiply
    343,727,829.25x = 515,586,695.54 × 84,943,042.54
  4. Step 4: Simplify right side
    343,727,829.25x = 43,795,502,612,312,256
  5. Step 5: Solve for x
    x = 43,795,502,612,312,256/343,727,829.25
  6. Step 6: Final answer
    x = 127,413,316.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.