Finding the Fourth Proportional to 268,576,037.70, 402,864,056.55 and 74,487,077.70
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Solution
The fourth proportional to 268,576,037.70, 402,864,056.55 and 74,487,077.70 is: 111,730,616.55
Step by Step Solution
- Step 1: Write the proportion equation
268,576,037.70 : 402,864,056.55 = 74,487,077.70 : x - Step 2: Convert to fraction form
268,576,037.70/402,864,056.55 = 74,487,077.70/x - Step 3: Cross multiply
268,576,037.70x = 402,864,056.55 × 74,487,077.70 - Step 4: Simplify right side
268,576,037.70x = 30,008,166,282,777,048 - Step 5: Solve for x
x = 30,008,166,282,777,048/268,576,037.70 - Step 6: Final answer
x = 111,730,616.55
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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.