Finding the Fourth Proportional to 147,241,019.58, 203,201,697.87 and 81,161,368.80
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Solution
The fourth proportional to 147,241,019.58, 203,201,697.87 and 81,161,368.80 is: 112,007,699.95
Step by Step Solution
- Step 1: Write the proportion equation
147,241,019.58 : 203,201,697.87 = 81,161,368.80 : x - Step 2: Convert to fraction form
147,241,019.58/203,201,697.87 = 81,161,368.80/x - Step 3: Cross multiply
147,241,019.58x = 203,201,697.87 × 81,161,368.80 - Step 4: Simplify right side
147,241,019.58x = 16,492,127,941,613,244 - Step 5: Solve for x
x = 16,492,127,941,613,244/147,241,019.58 - Step 6: Final answer
x = 112,007,699.95
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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.