Finding the Fourth Proportional to 158,004,395.70, 236,747,778.92 and 84,149,763.11
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Solution
The fourth proportional to 158,004,395.70, 236,747,778.92 and 84,149,763.11 is: 126,086,805.53
Step by Step Solution
- Step 1: Write the proportion equation
158,004,395.70 : 236,747,778.92 = 84,149,763.11 : x - Step 2: Convert to fraction form
158,004,395.70/236,747,778.92 = 84,149,763.11/x - Step 3: Cross multiply
158,004,395.70x = 236,747,778.92 × 84,149,763.11 - Step 4: Simplify right side
158,004,395.70x = 19,922,269,512,936,652 - Step 5: Solve for x
x = 19,922,269,512,936,652/158,004,395.70 - Step 6: Final answer
x = 126,086,805.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.