Finding the Fourth Proportional to 149,431,933.84, 206,221,196.55 and 86,703,295
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Solution
The fourth proportional to 149,431,933.84, 206,221,196.55 and 86,703,295 is: 119,653,522.38
Step by Step Solution
- Step 1: Write the proportion equation
149,431,933.84 : 206,221,196.55 = 86,703,295 : x - Step 2: Convert to fraction form
149,431,933.84/206,221,196.55 = 86,703,295/x - Step 3: Cross multiply
149,431,933.84x = 206,221,196.55 × 86,703,295 - Step 4: Simplify right side
149,431,933.84x = 17,880,057,239,727,634 - Step 5: Solve for x
x = 17,880,057,239,727,634/149,431,933.84 - Step 6: Final answer
x = 119,653,522.38
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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.