Finding the Fourth Proportional to 97,949,731.60, 135,166,576.99 and 53,295,887.48
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Solution
The fourth proportional to 97,949,731.60, 135,166,576.99 and 53,295,887.48 is: 73,546,119.63
Step by Step Solution
- Step 1: Write the proportion equation
97,949,731.60 : 135,166,576.99 = 53,295,887.48 : x - Step 2: Convert to fraction form
97,949,731.60/135,166,576.99 = 53,295,887.48/x - Step 3: Cross multiply
97,949,731.60x = 135,166,576.99 × 53,295,887.48 - Step 4: Simplify right side
97,949,731.60x = 7,203,822,677,639,965 - Step 5: Solve for x
x = 7,203,822,677,639,965/97,949,731.60 - Step 6: Final answer
x = 73,546,119.63
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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.