Finding the Fourth Proportional to 135,326,857.80, 186,751,243.98 and 73,447,196.37
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Solution
The fourth proportional to 135,326,857.80, 186,751,243.98 and 73,447,196.37 is: 101,357,228.80
Step by Step Solution
- Step 1: Write the proportion equation
135,326,857.80 : 186,751,243.98 = 73,447,196.37 : x - Step 2: Convert to fraction form
135,326,857.80/186,751,243.98 = 73,447,196.37/x - Step 3: Cross multiply
135,326,857.80x = 186,751,243.98 × 73,447,196.37 - Step 4: Simplify right side
135,326,857.80x = 13,716,355,288,940,840 - Step 5: Solve for x
x = 13,716,355,288,940,840/135,326,857.80 - Step 6: Final answer
x = 101,357,228.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.