Finding the Fourth Proportional to 98,772,370.38, 148,166,221.01 and 29,679,780.65
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Solution
The fourth proportional to 98,772,370.38, 148,166,221.01 and 29,679,780.65 is: 44,521,974.33
Step by Step Solution
- Step 1: Write the proportion equation
98,772,370.38 : 148,166,221.01 = 29,679,780.65 : x - Step 2: Convert to fraction form
98,772,370.38/148,166,221.01 = 29,679,780.65/x - Step 3: Cross multiply
98,772,370.38x = 148,166,221.01 × 29,679,780.65 - Step 4: Simplify right side
98,772,370.38x = 4,397,540,938,426,991 - Step 5: Solve for x
x = 4,397,540,938,426,991/98,772,370.38 - Step 6: Final answer
x = 44,521,974.33
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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.