Finding the Fourth Proportional to 117,792,080.70, 176,688,121.05 and 45,988,496.70
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Solution
The fourth proportional to 117,792,080.70, 176,688,121.05 and 45,988,496.70 is: 68,982,745.05
Step by Step Solution
- Step 1: Write the proportion equation
117,792,080.70 : 176,688,121.05 = 45,988,496.70 : x - Step 2: Convert to fraction form
117,792,080.70/176,688,121.05 = 45,988,496.70/x - Step 3: Cross multiply
117,792,080.70x = 176,688,121.05 × 45,988,496.70 - Step 4: Simplify right side
117,792,080.70x = 8,125,621,071,837,127 - Step 5: Solve for x
x = 8,125,621,071,837,127/117,792,080.70 - Step 6: Final answer
x = 68,982,745.05
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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.