Finding the Fourth Proportional to 136,126,167.84, 187,856,350.83 and 74,246,506.92
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Solution
The fourth proportional to 136,126,167.84, 187,856,350.83 and 74,246,506.92 is: 102,461,400.87
Step by Step Solution
- Step 1: Write the proportion equation
136,126,167.84 : 187,856,350.83 = 74,246,506.92 : x - Step 2: Convert to fraction form
136,126,167.84/187,856,350.83 = 74,246,506.92/x - Step 3: Cross multiply
136,126,167.84x = 187,856,350.83 × 74,246,506.92 - Step 4: Simplify right side
136,126,167.84x = 13,947,677,851,865,544 - Step 5: Solve for x
x = 13,947,677,851,865,544/136,126,167.84 - Step 6: Final answer
x = 102,461,400.87
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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.