Finding the Fourth Proportional to 238,853,309.43, 329,606,964.75 and 133,012,184.18
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Solution
The fourth proportional to 238,853,309.43, 329,606,964.75 and 133,012,184.18 is: 183,550,909.99
Step by Step Solution
- Step 1: Write the proportion equation
238,853,309.43 : 329,606,964.75 = 133,012,184.18 : x - Step 2: Convert to fraction form
238,853,309.43/329,606,964.75 = 133,012,184.18/x - Step 3: Cross multiply
238,853,309.43x = 329,606,964.75 × 133,012,184.18 - Step 4: Simplify right side
238,853,309.43x = 43,841,742,301,188,528 - Step 5: Solve for x
x = 43,841,742,301,188,528/238,853,309.43 - Step 6: Final answer
x = 183,550,909.99
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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.