Finding the Fourth Proportional to 135,326,859.81, 186,751,246.74 and 73,447,198.37
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Solution
The fourth proportional to 135,326,859.81, 186,751,246.74 and 73,447,198.37 is: 101,357,231.55
Step by Step Solution
- Step 1: Write the proportion equation
135,326,859.81 : 186,751,246.74 = 73,447,198.37 : x - Step 2: Convert to fraction form
135,326,859.81/186,751,246.74 = 73,447,198.37/x - Step 3: Cross multiply
135,326,859.81x = 186,751,246.74 × 73,447,198.37 - Step 4: Simplify right side
135,326,859.81x = 13,716,355,864,223,840 - Step 5: Solve for x
x = 13,716,355,864,223,840/135,326,859.81 - Step 6: Final answer
x = 101,357,231.55
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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.