Finding the Fourth Proportional to 227,348,526.99, 313,728,085.59 and 128,223,349.77
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Solution
The fourth proportional to 227,348,526.99, 313,728,085.59 and 128,223,349.77 is: 176,940,957.50
Step by Step Solution
- Step 1: Write the proportion equation
227,348,526.99 : 313,728,085.59 = 128,223,349.77 : x - Step 2: Convert to fraction form
227,348,526.99/313,728,085.59 = 128,223,349.77/x - Step 3: Cross multiply
227,348,526.99x = 313,728,085.59 × 128,223,349.77 - Step 4: Simplify right side
227,348,526.99x = 40,227,266,051,279,064 - Step 5: Solve for x
x = 40,227,266,051,279,064/227,348,526.99 - Step 6: Final answer
x = 176,940,957.50
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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.