Finding the Fourth Proportional to 121,552,053.84, 167,735,464.20 and 66,537,372.24
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Solution
The fourth proportional to 121,552,053.84, 167,735,464.20 and 66,537,372.24 is: 91,818,086.71
Step by Step Solution
- Step 1: Write the proportion equation
121,552,053.84 : 167,735,464.20 = 66,537,372.24 : x - Step 2: Convert to fraction form
121,552,053.84/167,735,464.20 = 66,537,372.24/x - Step 3: Cross multiply
121,552,053.84x = 167,735,464.20 × 66,537,372.24 - Step 4: Simplify right side
121,552,053.84x = 11,160,677,019,324,594 - Step 5: Solve for x
x = 11,160,677,019,324,594/121,552,053.84 - Step 6: Final answer
x = 91,818,086.71
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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.