Finding the Fourth Proportional to 189,989,701.99, 262,183,784.83 and 106,358,519.46
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Solution
The fourth proportional to 189,989,701.99, 262,183,784.83 and 106,358,519.46 is: 146,773,635.04
Step by Step Solution
- Step 1: Write the proportion equation
189,989,701.99 : 262,183,784.83 = 106,358,519.46 : x - Step 2: Convert to fraction form
189,989,701.99/262,183,784.83 = 106,358,519.46/x - Step 3: Cross multiply
189,989,701.99x = 262,183,784.83 × 106,358,519.46 - Step 4: Simplify right side
189,989,701.99x = 27,885,479,180,938,008 - Step 5: Solve for x
x = 27,885,479,180,938,008/189,989,701.99 - Step 6: Final answer
x = 146,773,635.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.