Finding the Fourth Proportional to 99,405,114.80, 149,019,025.80 and 38,806,746.80
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Solution
The fourth proportional to 99,405,114.80, 149,019,025.80 and 38,806,746.80 is: 58,175,513.55
Step by Step Solution
- Step 1: Write the proportion equation
99,405,114.80 : 149,019,025.80 = 38,806,746.80 : x - Step 2: Convert to fraction form
99,405,114.80/149,019,025.80 = 38,806,746.80/x - Step 3: Cross multiply
99,405,114.80x = 149,019,025.80 × 38,806,746.80 - Step 4: Simplify right side
99,405,114.80x = 5,782,943,602,603,267 - Step 5: Solve for x
x = 5,782,943,602,603,267/99,405,114.80 - Step 6: Final answer
x = 58,175,513.55
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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.