Finding the Fourth Proportional to 86,166,089.66, 118,908,639.42 and 48,996,372.68
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Solution
The fourth proportional to 86,166,089.66, 118,908,639.42 and 48,996,372.68 is: 67,614,673.42
Step by Step Solution
- Step 1: Write the proportion equation
86,166,089.66 : 118,908,639.42 = 48,996,372.68 : x - Step 2: Convert to fraction form
86,166,089.66/118,908,639.42 = 48,996,372.68/x - Step 3: Cross multiply
86,166,089.66x = 118,908,639.42 × 48,996,372.68 - Step 4: Simplify right side
86,166,089.66x = 5,826,092,011,894,059 - Step 5: Solve for x
x = 5,826,092,011,894,059/86,166,089.66 - Step 6: Final answer
x = 67,614,673.42
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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.