Finding the Fourth Proportional to 80,116,911.95, 120,171,756.65 and 33,411,164.99
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Solution
The fourth proportional to 80,116,911.95, 120,171,756.65 and 33,411,164.99 is: 50,115,241.47
Step by Step Solution
- Step 1: Write the proportion equation
80,116,911.95 : 120,171,756.65 = 33,411,164.99 : x - Step 2: Convert to fraction form
80,116,911.95/120,171,756.65 = 33,411,164.99/x - Step 3: Cross multiply
80,116,911.95x = 120,171,756.65 × 33,411,164.99 - Step 4: Simplify right side
80,116,911.95x = 4,015,078,387,803,365 - Step 5: Solve for x
x = 4,015,078,387,803,365/80,116,911.95 - Step 6: Final answer
x = 50,115,241.47
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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.