Finding the Fourth Proportional to 157,468,272.70, 236,202,409.05 and 155,344,906.30
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Solution
The fourth proportional to 157,468,272.70, 236,202,409.05 and 155,344,906.30 is: 233,017,359.45
Step by Step Solution
- Step 1: Write the proportion equation
157,468,272.70 : 236,202,409.05 = 155,344,906.30 : x - Step 2: Convert to fraction form
157,468,272.70/236,202,409.05 = 155,344,906.30/x - Step 3: Cross multiply
157,468,272.70x = 236,202,409.05 × 155,344,906.30 - Step 4: Simplify right side
157,468,272.70x = 36,692,841,101,706,528 - Step 5: Solve for x
x = 36,692,841,101,706,528/157,468,272.70 - Step 6: Final answer
x = 233,017,359.45
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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.