Finding the Fourth Proportional to 157,467,921.20, 236,201,881.80 and 49,762,545.20
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Solution
The fourth proportional to 157,467,921.20, 236,201,881.80 and 49,762,545.20 is: 74,643,817.80
Step by Step Solution
- Step 1: Write the proportion equation
157,467,921.20 : 236,201,881.80 = 49,762,545.20 : x - Step 2: Convert to fraction form
157,467,921.20/236,201,881.80 = 49,762,545.20/x - Step 3: Cross multiply
157,467,921.20x = 236,201,881.80 × 49,762,545.20 - Step 4: Simplify right side
157,467,921.20x = 11,754,006,819,397,558 - Step 5: Solve for x
x = 11,754,006,819,397,558/157,467,921.20 - Step 6: Final answer
x = 74,643,817.80
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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.