Finding the Fourth Proportional to 98,929,471.49, 148,395,470.12 and 26,145,623.42
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Solution
The fourth proportional to 98,929,471.49, 148,395,470.12 and 26,145,623.42 is: 39,218,768.89
Step by Step Solution
- Step 1: Write the proportion equation
98,929,471.49 : 148,395,470.12 = 26,145,623.42 : x - Step 2: Convert to fraction form
98,929,471.49/148,395,470.12 = 26,145,623.42/x - Step 3: Cross multiply
98,929,471.49x = 148,395,470.12 × 26,145,623.42 - Step 4: Simplify right side
98,929,471.49x = 3,879,892,078,118,677 - Step 5: Solve for x
x = 3,879,892,078,118,677/98,929,471.49 - Step 6: Final answer
x = 39,218,768.89
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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.