Finding the Fourth Proportional to 91,274,253.84, 136,875,321.36 and 29,003,173.20
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Solution
The fourth proportional to 91,274,253.84, 136,875,321.36 and 29,003,173.20 is: 43,493,301.62
Step by Step Solution
- Step 1: Write the proportion equation
91,274,253.84 : 136,875,321.36 = 29,003,173.20 : x - Step 2: Convert to fraction form
91,274,253.84/136,875,321.36 = 29,003,173.20/x - Step 3: Cross multiply
91,274,253.84x = 136,875,321.36 × 29,003,173.20 - Step 4: Simplify right side
91,274,253.84x = 3,969,818,652,209,740 - Step 5: Solve for x
x = 3,969,818,652,209,740/91,274,253.84 - Step 6: Final answer
x = 43,493,301.62
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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.