Finding the Fourth Proportional to 128,503,726.41, 192,773,892.07 and 39,879,954.03
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Solution
The fourth proportional to 128,503,726.41, 192,773,892.07 and 39,879,954.03 is: 59,825,611.04
Step by Step Solution
- Step 1: Write the proportion equation
128,503,726.41 : 192,773,892.07 = 39,879,954.03 : x - Step 2: Convert to fraction form
128,503,726.41/192,773,892.07 = 39,879,954.03/x - Step 3: Cross multiply
128,503,726.41x = 192,773,892.07 × 39,879,954.03 - Step 4: Simplify right side
128,503,726.41x = 7,687,813,953,624,181 - Step 5: Solve for x
x = 7,687,813,953,624,181/128,503,726.41 - Step 6: Final answer
x = 59,825,611.04
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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.