Finding the Fourth Proportional to 149,502,138.30, 224,253,207.45 and 68,723,106.30
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Solution
The fourth proportional to 149,502,138.30, 224,253,207.45 and 68,723,106.30 is: 103,084,659.45
Step by Step Solution
- Step 1: Write the proportion equation
149,502,138.30 : 224,253,207.45 = 68,723,106.30 : x - Step 2: Convert to fraction form
149,502,138.30/224,253,207.45 = 68,723,106.30/x - Step 3: Cross multiply
149,502,138.30x = 224,253,207.45 × 68,723,106.30 - Step 4: Simplify right side
149,502,138.30x = 15,411,377,013,702,300 - Step 5: Solve for x
x = 15,411,377,013,702,300/149,502,138.30 - Step 6: Final answer
x = 103,084,659.45
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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.