Finding the Fourth Proportional to 99,644,503.80, 149,494,749.30 and 48,528,190.20
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Solution
The fourth proportional to 99,644,503.80, 149,494,749.30 and 48,528,190.20 is: 72,805,918.55
Step by Step Solution
- Step 1: Write the proportion equation
99,644,503.80 : 149,494,749.30 = 48,528,190.20 : x - Step 2: Convert to fraction form
99,644,503.80/149,494,749.30 = 48,528,190.20/x - Step 3: Cross multiply
99,644,503.80x = 149,494,749.30 × 48,528,190.20 - Step 4: Simplify right side
99,644,503.80x = 7,254,709,627,931,718 - Step 5: Solve for x
x = 7,254,709,627,931,718/99,644,503.80 - Step 6: Final answer
x = 72,805,918.55
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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.