Finding the Fourth Proportional to 177,746,477.93, 245,299,674.04 and 99,425,360.55
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Solution
The fourth proportional to 177,746,477.93, 245,299,674.04 and 99,425,360.55 is: 137,212,330.84
Step by Step Solution
- Step 1: Write the proportion equation
177,746,477.93 : 245,299,674.04 = 99,425,360.55 : x - Step 2: Convert to fraction form
177,746,477.93/245,299,674.04 = 99,425,360.55/x - Step 3: Cross multiply
177,746,477.93x = 245,299,674.04 × 99,425,360.55 - Step 4: Simplify right side
177,746,477.93x = 24,389,008,534,895,784 - Step 5: Solve for x
x = 24,389,008,534,895,784/177,746,477.93 - Step 6: Final answer
x = 137,212,330.84
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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.