Finding the Fourth Proportional to 157,468,284.20, 236,202,426.30 and 155,344,917.80
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Solution
The fourth proportional to 157,468,284.20, 236,202,426.30 and 155,344,917.80 is: 233,017,376.70
Step by Step Solution
- Step 1: Write the proportion equation
157,468,284.20 : 236,202,426.30 = 155,344,917.80 : x - Step 2: Convert to fraction form
157,468,284.20/236,202,426.30 = 155,344,917.80/x - Step 3: Cross multiply
157,468,284.20x = 236,202,426.30 × 155,344,917.80 - Step 4: Simplify right side
157,468,284.20x = 36,692,846,497,734,064 - Step 5: Solve for x
x = 36,692,846,497,734,064/157,468,284.20 - Step 6: Final answer
x = 233,017,376.70
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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.