Finding the Fourth Proportional to 99,884,452.80, 149,854,672.80 and 48,768,139.20
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Solution
The fourth proportional to 99,884,452.80, 149,854,672.80 and 48,768,139.20 is: 73,165,876.55
Step by Step Solution
- Step 1: Write the proportion equation
99,884,452.80 : 149,854,672.80 = 48,768,139.20 : x - Step 2: Convert to fraction form
99,884,452.80/149,854,672.80 = 48,768,139.20/x - Step 3: Cross multiply
99,884,452.80x = 149,854,672.80 × 48,768,139.20 - Step 4: Simplify right side
99,884,452.80x = 7,308,133,542,880,855 - Step 5: Solve for x
x = 7,308,133,542,880,855/99,884,452.80 - Step 6: Final answer
x = 73,165,876.55
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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.