Finding the Fourth Proportional to 97,917,560.20, 135,125,485.86 and 53,863,610.44
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Solution
The fourth proportional to 97,917,560.20, 135,125,485.86 and 53,863,610.44 is: 74,331,371.37
Step by Step Solution
- Step 1: Write the proportion equation
97,917,560.20 : 135,125,485.86 = 53,863,610.44 : x - Step 2: Convert to fraction form
97,917,560.20/135,125,485.86 = 53,863,610.44/x - Step 3: Cross multiply
97,917,560.20x = 135,125,485.86 × 53,863,610.44 - Step 4: Simplify right side
97,917,560.20x = 7,278,346,530,878,769 - Step 5: Solve for x
x = 7,278,346,530,878,769/97,917,560.20 - Step 6: Final answer
x = 74,331,371.37
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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.