Finding the Fourth Proportional to 107,262,823.80, 160,894,235.70 and 98,864,743.80
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Solution
The fourth proportional to 107,262,823.80, 160,894,235.70 and 98,864,743.80 is: 148,297,115.70
Step by Step Solution
- Step 1: Write the proportion equation
107,262,823.80 : 160,894,235.70 = 98,864,743.80 : x - Step 2: Convert to fraction form
107,262,823.80/160,894,235.70 = 98,864,743.80/x - Step 3: Cross multiply
107,262,823.80x = 160,894,235.70 × 98,864,743.80 - Step 4: Simplify right side
107,262,823.80x = 15,906,767,391,377,312 - Step 5: Solve for x
x = 15,906,767,391,377,312/107,262,823.80 - Step 6: Final answer
x = 148,297,115.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.