Finding the Fourth Proportional to 161,703,203.70, 242,554,805.55 and 161,703,203.70
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Solution
The fourth proportional to 161,703,203.70, 242,554,805.55 and 161,703,203.70 is: 242,554,805.55
Step by Step Solution
- Step 1: Write the proportion equation
161,703,203.70 : 242,554,805.55 = 161,703,203.70 : x - Step 2: Convert to fraction form
161,703,203.70/242,554,805.55 = 161,703,203.70/x - Step 3: Cross multiply
161,703,203.70x = 242,554,805.55 × 161,703,203.70 - Step 4: Simplify right side
161,703,203.70x = 39,221,889,130,265,536 - Step 5: Solve for x
x = 39,221,889,130,265,536/161,703,203.70 - Step 6: Final answer
x = 242,554,805.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.