Finding the Fourth Proportional to 276,155,102.16, 381,102,120.47 and 150,715,343.67
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Solution
The fourth proportional to 276,155,102.16, 381,102,120.47 and 150,715,343.67 is: 207,991,583.75
Step by Step Solution
- Step 1: Write the proportion equation
276,155,102.16 : 381,102,120.47 = 150,715,343.67 : x - Step 2: Convert to fraction form
276,155,102.16/381,102,120.47 = 150,715,343.67/x - Step 3: Cross multiply
276,155,102.16x = 381,102,120.47 × 150,715,343.67 - Step 4: Simplify right side
276,155,102.16x = 57,437,937,060,001,792 - Step 5: Solve for x
x = 57,437,937,060,001,792/276,155,102.16 - Step 6: Final answer
x = 207,991,583.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.