Finding the Fourth Proportional to 56,376,245.70, 84,564,368.55 and 38,189,153.70
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Solution
The fourth proportional to 56,376,245.70, 84,564,368.55 and 38,189,153.70 is: 57,283,730.55
Step by Step Solution
- Step 1: Write the proportion equation
56,376,245.70 : 84,564,368.55 = 38,189,153.70 : x - Step 2: Convert to fraction form
56,376,245.70/84,564,368.55 = 38,189,153.70/x - Step 3: Cross multiply
56,376,245.70x = 84,564,368.55 × 38,189,153.70 - Step 4: Simplify right side
56,376,245.70x = 3,229,441,668,099,396.50 - Step 5: Solve for x
x = 3,229,441,668,099,396.50/56,376,245.70 - Step 6: Final answer
x = 57,283,730.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.