Finding the Fourth Proportional to 171,639,560.43, 236,860,923.24 and 93,323,113.74
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Solution
The fourth proportional to 171,639,560.43, 236,860,923.24 and 93,323,113.74 is: 128,784,988.87
Step by Step Solution
- Step 1: Write the proportion equation
171,639,560.43 : 236,860,923.24 = 93,323,113.74 : x - Step 2: Convert to fraction form
171,639,560.43/236,860,923.24 = 93,323,113.74/x - Step 3: Cross multiply
171,639,560.43x = 236,860,923.24 × 93,323,113.74 - Step 4: Simplify right side
171,639,560.43x = 22,104,598,880,087,928 - Step 5: Solve for x
x = 22,104,598,880,087,928/171,639,560.43 - Step 6: Final answer
x = 128,784,988.87
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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.