Finding the Fourth Proportional to 282,691,790.10, 424,047,132.99 and 78,202,741.14
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Solution
The fourth proportional to 282,691,790.10, 424,047,132.99 and 78,202,741.14 is: 117,306,725.32
Step by Step Solution
- Step 1: Write the proportion equation
282,691,790.10 : 424,047,132.99 = 78,202,741.14 : x - Step 2: Convert to fraction form
282,691,790.10/424,047,132.99 = 78,202,741.14/x - Step 3: Cross multiply
282,691,790.10x = 424,047,132.99 × 78,202,741.14 - Step 4: Simplify right side
282,691,790.10x = 33,161,648,172,376,124 - Step 5: Solve for x
x = 33,161,648,172,376,124/282,691,790.10 - Step 6: Final answer
x = 117,306,725.32
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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.