Finding the Fourth Proportional to 91,134,576.51, 125,766,098.86 and 49,318,643.79
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Solution
The fourth proportional to 91,134,576.51, 125,766,098.86 and 49,318,643.79 is: 68,059,935.85
Step by Step Solution
- Step 1: Write the proportion equation
91,134,576.51 : 125,766,098.86 = 49,318,643.79 : x - Step 2: Convert to fraction form
91,134,576.51/125,766,098.86 = 49,318,643.79/x - Step 3: Cross multiply
91,134,576.51x = 125,766,098.86 × 49,318,643.79 - Step 4: Simplify right side
91,134,576.51x = 6,202,613,430,534,265 - Step 5: Solve for x
x = 6,202,613,430,534,265/91,134,576.51 - Step 6: Final answer
x = 68,059,935.85
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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.