Finding the Fourth Proportional to 68,323,901.70, 102,485,852.55 and 27,963,351.30
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Solution
The fourth proportional to 68,323,901.70, 102,485,852.55 and 27,963,351.30 is: 41,945,026.95
Step by Step Solution
- Step 1: Write the proportion equation
68,323,901.70 : 102,485,852.55 = 27,963,351.30 : x - Step 2: Convert to fraction form
68,323,901.70/102,485,852.55 = 27,963,351.30/x - Step 3: Cross multiply
68,323,901.70x = 102,485,852.55 × 27,963,351.30 - Step 4: Simplify right side
68,323,901.70x = 2,865,847,898,135,651 - Step 5: Solve for x
x = 2,865,847,898,135,651/68,323,901.70 - Step 6: Final answer
x = 41,945,026.95
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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.