Finding the Fourth Proportional to 76,913,481.12, 115,333,217.64 and 25,759,726.08
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Solution
The fourth proportional to 76,913,481.12, 115,333,217.64 and 25,759,726.08 is: 38,627,195.79
Step by Step Solution
- Step 1: Write the proportion equation
76,913,481.12 : 115,333,217.64 = 25,759,726.08 : x - Step 2: Convert to fraction form
76,913,481.12/115,333,217.64 = 25,759,726.08/x - Step 3: Cross multiply
76,913,481.12x = 115,333,217.64 × 25,759,726.08 - Step 4: Simplify right side
76,913,481.12x = 2,970,952,094,331,424 - Step 5: Solve for x
x = 2,970,952,094,331,424/76,913,481.12 - Step 6: Final answer
x = 38,627,195.79
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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.