Finding the Fourth Proportional to 235,691,867.53, 325,264,913.99 and 131,269,985.29
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Solution
The fourth proportional to 235,691,867.53, 325,264,913.99 and 131,269,985.29 is: 181,158,225.45
Step by Step Solution
- Step 1: Write the proportion equation
235,691,867.53 : 325,264,913.99 = 131,269,985.29 : x - Step 2: Convert to fraction form
235,691,867.53/325,264,913.99 = 131,269,985.29/x - Step 3: Cross multiply
235,691,867.53x = 325,264,913.99 × 131,269,985.29 - Step 4: Simplify right side
235,691,867.53x = 42,697,520,474,820,416 - Step 5: Solve for x
x = 42,697,520,474,820,416/235,691,867.53 - Step 6: Final answer
x = 181,158,225.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.