Finding the Fourth Proportional to 85,374,477.50, 128,065,259.21 and 24,790,203.50
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Solution
The fourth proportional to 85,374,477.50, 128,065,259.21 and 24,790,203.50 is: 37,186,334.02
Step by Step Solution
- Step 1: Write the proportion equation
85,374,477.50 : 128,065,259.21 = 24,790,203.50 : x - Step 2: Convert to fraction form
85,374,477.50/128,065,259.21 = 24,790,203.50/x - Step 3: Cross multiply
85,374,477.50x = 128,065,259.21 × 24,790,203.50 - Step 4: Simplify right side
85,374,477.50x = 3,174,763,836,972,198 - Step 5: Solve for x
x = 3,174,763,836,972,198/85,374,477.50 - Step 6: Final answer
x = 37,186,334.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.