Finding the Fourth Proportional to 122,485,862.70, 183,728,794.05 and 100,962,502.20
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Solution
The fourth proportional to 122,485,862.70, 183,728,794.05 and 100,962,502.20 is: 151,443,753.30
Step by Step Solution
- Step 1: Write the proportion equation
122,485,862.70 : 183,728,794.05 = 100,962,502.20 : x - Step 2: Convert to fraction form
122,485,862.70/183,728,794.05 = 100,962,502.20/x - Step 3: Cross multiply
122,485,862.70x = 183,728,794.05 × 100,962,502.20 - Step 4: Simplify right side
122,485,862.70x = 18,549,718,773,476,472 - Step 5: Solve for x
x = 18,549,718,773,476,472/122,485,862.70 - Step 6: Final answer
x = 151,443,753.30
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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.