Finding the Fourth Proportional to 149,468,196.80, 224,202,295.20 and 68,689,164.80
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Solution
The fourth proportional to 149,468,196.80, 224,202,295.20 and 68,689,164.80 is: 103,033,747.20
Step by Step Solution
- Step 1: Write the proportion equation
149,468,196.80 : 224,202,295.20 = 68,689,164.80 : x - Step 2: Convert to fraction form
149,468,196.80/224,202,295.20 = 68,689,164.80/x - Step 3: Cross multiply
149,468,196.80x = 224,202,295.20 × 68,689,164.80 - Step 4: Simplify right side
149,468,196.80x = 15,400,268,403,531,048 - Step 5: Solve for x
x = 15,400,268,403,531,048/149,468,196.80 - Step 6: Final answer
x = 103,033,747.20
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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.