Finding the Fourth Proportional to 86,166,037.68, 118,908,567.64 and 48,996,320.68
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Solution
The fourth proportional to 86,166,037.68, 118,908,567.64 and 48,996,320.68 is: 67,614,601.63
Step by Step Solution
- Step 1: Write the proportion equation
86,166,037.68 : 118,908,567.64 = 48,996,320.68 : x - Step 2: Convert to fraction form
86,166,037.68/118,908,567.64 = 48,996,320.68/x - Step 3: Cross multiply
86,166,037.68x = 118,908,567.64 × 48,996,320.68 - Step 4: Simplify right side
86,166,037.68x = 5,826,082,311,688,911 - Step 5: Solve for x
x = 5,826,082,311,688,911/86,166,037.68 - Step 6: Final answer
x = 67,614,601.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.