Finding the Fourth Proportional to 157,467,920.70, 236,201,881.05 and 49,762,544.70
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Solution
The fourth proportional to 157,467,920.70, 236,201,881.05 and 49,762,544.70 is: 74,643,817.05
Step by Step Solution
- Step 1: Write the proportion equation
157,467,920.70 : 236,201,881.05 = 49,762,544.70 : x - Step 2: Convert to fraction form
157,467,920.70/236,201,881.05 = 49,762,544.70/x - Step 3: Cross multiply
157,467,920.70x = 236,201,881.05 × 49,762,544.70 - Step 4: Simplify right side
157,467,920.70x = 11,754,006,663,974,710 - Step 5: Solve for x
x = 11,754,006,663,974,710/157,467,920.70 - Step 6: Final answer
x = 74,643,817.05
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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.