Finding the Fourth Proportional to 68,125,276.46, 93,998,847.39 and 39,146,301.74
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Solution
The fourth proportional to 68,125,276.46, 93,998,847.39 and 39,146,301.74 is: 54,013,832.08
Step by Step Solution
- Step 1: Write the proportion equation
68,125,276.46 : 93,998,847.39 = 39,146,301.74 : x - Step 2: Convert to fraction form
68,125,276.46/93,998,847.39 = 39,146,301.74/x - Step 3: Cross multiply
68,125,276.46x = 93,998,847.39 × 39,146,301.74 - Step 4: Simplify right side
68,125,276.46x = 3,679,707,243,141,151.50 - Step 5: Solve for x
x = 3,679,707,243,141,151.50/68,125,276.46 - Step 6: Final answer
x = 54,013,832.08
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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.