Finding the Fourth Proportional to 67,724,146.74, 93,459,590.20 and 36,784,832.70
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Solution
The fourth proportional to 67,724,146.74, 93,459,590.20 and 36,784,832.70 is: 50,763,214.53
Step by Step Solution
- Step 1: Write the proportion equation
67,724,146.74 : 93,459,590.20 = 36,784,832.70 : x - Step 2: Convert to fraction form
67,724,146.74/93,459,590.20 = 36,784,832.70/x - Step 3: Cross multiply
67,724,146.74x = 93,459,590.20 × 36,784,832.70 - Step 4: Simplify right side
67,724,146.74x = 3,437,895,389,717,560 - Step 5: Solve for x
x = 3,437,895,389,717,560/67,724,146.74 - Step 6: Final answer
x = 50,763,214.53
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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.