Finding the Fourth Proportional to 134,840,995.32, 186,048,212.94 and 81,916,645.08
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Solution
The fourth proportional to 134,840,995.32, 186,048,212.94 and 81,916,645.08 is: 113,025,310.97
Step by Step Solution
- Step 1: Write the proportion equation
134,840,995.32 : 186,048,212.94 = 81,916,645.08 : x - Step 2: Convert to fraction form
134,840,995.32/186,048,212.94 = 81,916,645.08/x - Step 3: Cross multiply
134,840,995.32x = 186,048,212.94 × 81,916,645.08 - Step 4: Simplify right side
134,840,995.32x = 15,240,445,427,174,242 - Step 5: Solve for x
x = 15,240,445,427,174,242/134,840,995.32 - Step 6: Final answer
x = 113,025,310.97
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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.