Finding the Fourth Proportional to 232,287,831.84, 320,563,815.98 and 126,448,072.85
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Solution
The fourth proportional to 232,287,831.84, 320,563,815.98 and 126,448,072.85 is: 174,501,937.68
Step by Step Solution
- Step 1: Write the proportion equation
232,287,831.84 : 320,563,815.98 = 126,448,072.85 : x - Step 2: Convert to fraction form
232,287,831.84/320,563,815.98 = 126,448,072.85/x - Step 3: Cross multiply
232,287,831.84x = 320,563,815.98 × 126,448,072.85 - Step 4: Simplify right side
232,287,831.84x = 40,534,676,756,282,208 - Step 5: Solve for x
x = 40,534,676,756,282,208/232,287,831.84 - Step 6: Final answer
x = 174,501,937.68
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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.