Finding the Fourth Proportional to 87,959,571.84, 131,225,151.80 and 83,197,860.48
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Solution
The fourth proportional to 87,959,571.84, 131,225,151.80 and 83,197,860.48 is: 124,121,248.46
Step by Step Solution
- Step 1: Write the proportion equation
87,959,571.84 : 131,225,151.80 = 83,197,860.48 : x - Step 2: Convert to fraction form
87,959,571.84/131,225,151.80 = 83,197,860.48/x - Step 3: Cross multiply
87,959,571.84x = 131,225,151.80 × 83,197,860.48 - Step 4: Simplify right side
87,959,571.84x = 10,917,651,871,131,216 - Step 5: Solve for x
x = 10,917,651,871,131,216/87,959,571.84 - Step 6: Final answer
x = 124,121,248.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.