Finding the Fourth Proportional to 85,657,198.94, 128,490,782.34 and 24,241,219.82
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Solution
The fourth proportional to 85,657,198.94, 128,490,782.34 and 24,241,219.82 is: 36,363,240.20
Step by Step Solution
- Step 1: Write the proportion equation
85,657,198.94 : 128,490,782.34 = 24,241,219.82 : x - Step 2: Convert to fraction form
85,657,198.94/128,490,782.34 = 24,241,219.82/x - Step 3: Cross multiply
85,657,198.94x = 128,490,782.34 × 24,241,219.82 - Step 4: Simplify right side
85,657,198.94x = 3,114,773,299,547,714 - Step 5: Solve for x
x = 3,114,773,299,547,714/85,657,198.94 - Step 6: Final answer
x = 36,363,240.20
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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.