Finding the Fourth Proportional to 209,953,971.84, 289,736,660.64 and 117,134,494.08
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Solution
The fourth proportional to 209,953,971.84, 289,736,660.64 and 117,134,494.08 is: 161,645,701.97
Step by Step Solution
- Step 1: Write the proportion equation
209,953,971.84 : 289,736,660.64 = 117,134,494.08 : x - Step 2: Convert to fraction form
209,953,971.84/289,736,660.64 = 117,134,494.08/x - Step 3: Cross multiply
209,953,971.84x = 289,736,660.64 × 117,134,494.08 - Step 4: Simplify right side
209,953,971.84x = 33,938,157,160,495,048 - Step 5: Solve for x
x = 33,938,157,160,495,048/209,953,971.84 - Step 6: Final answer
x = 161,645,701.97
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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.