Finding the Fourth Proportional to 91,303,047.86, 125,984,756.16 and 55,521,236.09
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Solution
The fourth proportional to 91,303,047.86, 125,984,756.16 and 55,521,236.09 is: 76,611,126.96
Step by Step Solution
- Step 1: Write the proportion equation
91,303,047.86 : 125,984,756.16 = 55,521,236.09 : x - Step 2: Convert to fraction form
91,303,047.86/125,984,756.16 = 55,521,236.09/x - Step 3: Cross multiply
91,303,047.86x = 125,984,756.16 × 55,521,236.09 - Step 4: Simplify right side
91,303,047.86x = 6,994,829,390,815,404 - Step 5: Solve for x
x = 6,994,829,390,815,404/91,303,047.86 - Step 6: Final answer
x = 76,611,126.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.