Finding the Fourth Proportional to 157,468,370.20, 236,202,555.30 and 49,762,994.20
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Solution
The fourth proportional to 157,468,370.20, 236,202,555.30 and 49,762,994.20 is: 74,644,491.30
Step by Step Solution
- Step 1: Write the proportion equation
157,468,370.20 : 236,202,555.30 = 49,762,994.20 : x - Step 2: Convert to fraction form
157,468,370.20/236,202,555.30 = 49,762,994.20/x - Step 3: Cross multiply
157,468,370.20x = 236,202,555.30 × 49,762,994.20 - Step 4: Simplify right side
157,468,370.20x = 11,754,146,389,419,080 - Step 5: Solve for x
x = 11,754,146,389,419,080/157,468,370.20 - Step 6: Final answer
x = 74,644,491.30
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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.