Finding the Fourth Proportional to 203,030,841.68, 280,182,916.68 and 110,211,412.40
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Solution
The fourth proportional to 203,030,841.68, 280,182,916.68 and 110,211,412.40 is: 152,091,941.90
Step by Step Solution
- Step 1: Write the proportion equation
203,030,841.68 : 280,182,916.68 = 110,211,412.40 : x - Step 2: Convert to fraction form
203,030,841.68/280,182,916.68 = 110,211,412.40/x - Step 3: Cross multiply
203,030,841.68x = 280,182,916.68 × 110,211,412.40 - Step 4: Simplify right side
203,030,841.68x = 30,879,354,977,654,320 - Step 5: Solve for x
x = 30,879,354,977,654,320/203,030,841.68 - Step 6: Final answer
x = 152,091,941.90
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1.5x scale
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.