Finding the Fourth Proportional to 122,964,853.74, 169,691,205.33 and 70,041,553.26
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Solution
The fourth proportional to 122,964,853.74, 169,691,205.33 and 70,041,553.26 is: 96,657,176.70
Step by Step Solution
- Step 1: Write the proportion equation
122,964,853.74 : 169,691,205.33 = 70,041,553.26 : x - Step 2: Convert to fraction form
122,964,853.74/169,691,205.33 = 70,041,553.26/x - Step 3: Cross multiply
122,964,853.74x = 169,691,205.33 × 70,041,553.26 - Step 4: Simplify right side
122,964,853.74x = 11,885,435,595,874,792 - Step 5: Solve for x
x = 11,885,435,595,874,792/122,964,853.74 - Step 6: Final answer
x = 96,657,176.70
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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.