Finding the Fourth Proportional to 99,676,928.80, 149,543,386.80 and 48,560,615.20
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Solution
The fourth proportional to 99,676,928.80, 149,543,386.80 and 48,560,615.20 is: 72,854,560.72
Step by Step Solution
- Step 1: Write the proportion equation
99,676,928.80 : 149,543,386.80 = 48,560,615.20 : x - Step 2: Convert to fraction form
99,676,928.80/149,543,386.80 = 48,560,615.20/x - Step 3: Cross multiply
99,676,928.80x = 149,543,386.80 × 48,560,615.20 - Step 4: Simplify right side
99,676,928.80x = 7,261,918,862,099,560 - Step 5: Solve for x
x = 7,261,918,862,099,560/99,676,928.80 - Step 6: Final answer
x = 72,854,560.72
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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.