Finding the Fourth Proportional to 149,468,138.30, 224,202,207.45 and 68,689,106.30
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Solution
The fourth proportional to 149,468,138.30, 224,202,207.45 and 68,689,106.30 is: 103,033,659.45
Step by Step Solution
- Step 1: Write the proportion equation
149,468,138.30 : 224,202,207.45 = 68,689,106.30 : x - Step 2: Convert to fraction form
149,468,138.30/224,202,207.45 = 68,689,106.30/x - Step 3: Cross multiply
149,468,138.30x = 224,202,207.45 × 68,689,106.30 - Step 4: Simplify right side
149,468,138.30x = 15,400,249,260,227,700 - Step 5: Solve for x
x = 15,400,249,260,227,700/149,468,138.30 - Step 6: Final answer
x = 103,033,659.45
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1.5x scale
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.