Finding the Fourth Proportional to 160,659,970.05, 221,715,435.33 and 91,043,036.13
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Solution
The fourth proportional to 160,659,970.05, 221,715,435.33 and 91,043,036.13 is: 125,642,040.04
Step by Step Solution
- Step 1: Write the proportion equation
160,659,970.05 : 221,715,435.33 = 91,043,036.13 : x - Step 2: Convert to fraction form
160,659,970.05/221,715,435.33 = 91,043,036.13/x - Step 3: Cross multiply
160,659,970.05x = 221,715,435.33 × 91,043,036.13 - Step 4: Simplify right side
160,659,970.05x = 20,185,646,389,327,868 - Step 5: Solve for x
x = 20,185,646,389,327,868/160,659,970.05 - Step 6: Final answer
x = 125,642,040.04
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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.