Finding the Fourth Proportional to 136,705,268.28, 188,655,042.15 and 74,824,278.24
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Solution
The fourth proportional to 136,705,268.28, 188,655,042.15 and 74,824,278.24 is: 103,258,473.82
Step by Step Solution
- Step 1: Write the proportion equation
136,705,268.28 : 188,655,042.15 = 74,824,278.24 : x - Step 2: Convert to fraction form
136,705,268.28/188,655,042.15 = 74,824,278.24/x - Step 3: Cross multiply
136,705,268.28x = 188,655,042.15 × 74,824,278.24 - Step 4: Simplify right side
136,705,268.28x = 14,115,977,365,210,528 - Step 5: Solve for x
x = 14,115,977,365,210,528/136,705,268.28 - Step 6: Final answer
x = 103,258,473.82
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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.