Finding the Fourth Proportional to 97,511,636.58, 134,563,145.58 and 53,457,129.78
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Solution
The fourth proportional to 97,511,636.58, 134,563,145.58 and 53,457,129.78 is: 73,769,242.21
Step by Step Solution
- Step 1: Write the proportion equation
97,511,636.58 : 134,563,145.58 = 53,457,129.78 : x - Step 2: Convert to fraction form
97,511,636.58/134,563,145.58 = 53,457,129.78/x - Step 3: Cross multiply
97,511,636.58x = 134,563,145.58 × 53,457,129.78 - Step 4: Simplify right side
97,511,636.58x = 7,193,359,536,875,094 - Step 5: Solve for x
x = 7,193,359,536,875,094/97,511,636.58 - Step 6: Final answer
x = 73,769,242.21
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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.