Finding the Fourth Proportional to 171,869,757.76, 257,802,110.65 and 42,477,378.99
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Solution
The fourth proportional to 171,869,757.76, 257,802,110.65 and 42,477,378.99 is: 63,715,444.19
Step by Step Solution
- Step 1: Write the proportion equation
171,869,757.76 : 257,802,110.65 = 42,477,378.99 : x - Step 2: Convert to fraction form
171,869,757.76/257,802,110.65 = 42,477,378.99/x - Step 3: Cross multiply
171,869,757.76x = 257,802,110.65 × 42,477,378.99 - Step 4: Simplify right side
171,869,757.76x = 10,950,757,958,501,966 - Step 5: Solve for x
x = 10,950,757,958,501,966/171,869,757.76 - Step 6: Final answer
x = 63,715,444.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.