Finding the Fourth Proportional to 124,192,575.49, 171,386,887.60 and 68,439,996.30
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Solution
The fourth proportional to 124,192,575.49, 171,386,887.60 and 68,439,996.30 is: 94,447,819.50
Step by Step Solution
- Step 1: Write the proportion equation
124,192,575.49 : 171,386,887.60 = 68,439,996.30 : x - Step 2: Convert to fraction form
124,192,575.49/171,386,887.60 = 68,439,996.30/x - Step 3: Cross multiply
124,192,575.49x = 171,386,887.60 × 68,439,996.30 - Step 4: Simplify right side
124,192,575.49x = 11,729,717,952,832,416 - Step 5: Solve for x
x = 11,729,717,952,832,416/124,192,575.49 - Step 6: Final answer
x = 94,447,819.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.