Finding the Fourth Proportional to 117,518,543.80, 176,277,815.70 and 63,770,831.80
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Solution
The fourth proportional to 117,518,543.80, 176,277,815.70 and 63,770,831.80 is: 95,656,247.70
Step by Step Solution
- Step 1: Write the proportion equation
117,518,543.80 : 176,277,815.70 = 63,770,831.80 : x - Step 2: Convert to fraction form
117,518,543.80/176,277,815.70 = 63,770,831.80/x - Step 3: Cross multiply
117,518,543.80x = 176,277,815.70 × 63,770,831.80 - Step 4: Simplify right side
117,518,543.80x = 11,241,382,935,076,098 - Step 5: Solve for x
x = 11,241,382,935,076,098/117,518,543.80 - Step 6: Final answer
x = 95,656,247.70
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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.