Finding the Fourth Proportional to 171,428,574.12, 236,574,548.76 and 97,104,566.18
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Solution
The fourth proportional to 171,428,574.12, 236,574,548.76 and 97,104,566.18 is: 134,006,066.63
Step by Step Solution
- Step 1: Write the proportion equation
171,428,574.12 : 236,574,548.76 = 97,104,566.18 : x - Step 2: Convert to fraction form
171,428,574.12/236,574,548.76 = 97,104,566.18/x - Step 3: Cross multiply
171,428,574.12x = 236,574,548.76 × 97,104,566.18 - Step 4: Simplify right side
171,428,574.12x = 22,972,468,926,569,056 - Step 5: Solve for x
x = 22,972,468,926,569,056/171,428,574.12 - Step 6: Final answer
x = 134,006,066.63
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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.