Finding the Fourth Proportional to 97,266,742.60, 134,231,286.80 and 53,212,719.48
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Solution
The fourth proportional to 97,266,742.60, 134,231,286.80 and 53,212,719.48 is: 73,435,293.70
Step by Step Solution
- Step 1: Write the proportion equation
97,266,742.60 : 134,231,286.80 = 53,212,719.48 : x - Step 2: Convert to fraction form
97,266,742.60/134,231,286.80 = 53,212,719.48/x - Step 3: Cross multiply
97,266,742.60x = 134,231,286.80 × 53,212,719.48 - Step 4: Simplify right side
97,266,742.60x = 7,142,811,809,927,827 - Step 5: Solve for x
x = 7,142,811,809,927,827/97,266,742.60 - Step 6: Final answer
x = 73,435,293.70
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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.