Finding the Fourth Proportional to 83,166,415.56, 114,723,576.18 and 48,355,257.24
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Solution
The fourth proportional to 83,166,415.56, 114,723,576.18 and 48,355,257.24 is: 66,703,464.38
Step by Step Solution
- Step 1: Write the proportion equation
83,166,415.56 : 114,723,576.18 = 48,355,257.24 : x - Step 2: Convert to fraction form
83,166,415.56/114,723,576.18 = 48,355,257.24/x - Step 3: Cross multiply
83,166,415.56x = 114,723,576.18 × 48,355,257.24 - Step 4: Simplify right side
83,166,415.56x = 5,547,488,037,676,637 - Step 5: Solve for x
x = 5,547,488,037,676,637/83,166,415.56 - Step 6: Final answer
x = 66,703,464.38
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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.