Finding the Fourth Proportional to 228,852,738.24, 315,814,551.93 and 124,430,809.29
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Solution
The fourth proportional to 228,852,738.24, 315,814,551.93 and 124,430,809.29 is: 171,713,306.05
Step by Step Solution
- Step 1: Write the proportion equation
228,852,738.24 : 315,814,551.93 = 124,430,809.29 : x - Step 2: Convert to fraction form
228,852,738.24/315,814,551.93 = 124,430,809.29/x - Step 3: Cross multiply
228,852,738.24x = 315,814,551.93 × 124,430,809.29 - Step 4: Simplify right side
228,852,738.24x = 39,297,060,282,208,632 - Step 5: Solve for x
x = 39,297,060,282,208,632/228,852,738.24 - Step 6: Final answer
x = 171,713,306.05
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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.