Finding the Fourth Proportional to 213,658,485.96, 294,848,710.62 and 115,873,341.96
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Solution
The fourth proportional to 213,658,485.96, 294,848,710.62 and 115,873,341.96 is: 159,905,211.90
Step by Step Solution
- Step 1: Write the proportion equation
213,658,485.96 : 294,848,710.62 = 115,873,341.96 : x - Step 2: Convert to fraction form
213,658,485.96/294,848,710.62 = 115,873,341.96/x - Step 3: Cross multiply
213,658,485.96x = 294,848,710.62 × 115,873,341.96 - Step 4: Simplify right side
213,658,485.96x = 34,165,105,472,136,344 - Step 5: Solve for x
x = 34,165,105,472,136,344/213,658,485.96 - Step 6: Final answer
x = 159,905,211.90
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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.