Finding the Fourth Proportional to 144,861,688.68, 217,292,592.12 and 35,688,985.52
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Solution
The fourth proportional to 144,861,688.68, 217,292,592.12 and 35,688,985.52 is: 53,533,492.84
Step by Step Solution
- Step 1: Write the proportion equation
144,861,688.68 : 217,292,592.12 = 35,688,985.52 : x - Step 2: Convert to fraction form
144,861,688.68/217,292,592.12 = 35,688,985.52/x - Step 3: Cross multiply
144,861,688.68x = 217,292,592.12 × 35,688,985.52 - Step 4: Simplify right side
144,861,688.68x = 7,754,952,173,773,947 - Step 5: Solve for x
x = 7,754,952,173,773,947/144,861,688.68 - Step 6: Final answer
x = 53,533,492.84
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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.