Finding the Fourth Proportional to 203,437,875.53, 305,128,068.27 and 65,245,522.97
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Solution
The fourth proportional to 203,437,875.53, 305,128,068.27 and 65,245,522.97 is: 97,859,065.50
Step by Step Solution
- Step 1: Write the proportion equation
203,437,875.53 : 305,128,068.27 = 65,245,522.97 : x - Step 2: Convert to fraction form
203,437,875.53/305,128,068.27 = 65,245,522.97/x - Step 3: Cross multiply
203,437,875.53x = 305,128,068.27 × 65,245,522.97 - Step 4: Simplify right side
203,437,875.53x = 19,908,240,387,102,012 - Step 5: Solve for x
x = 19,908,240,387,102,012/203,437,875.53 - Step 6: Final answer
x = 97,859,065.50
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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.