Finding the Fourth Proportional to 223,102,341.65, 307,888,708.18 and 123,987,266.55
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Solution
The fourth proportional to 223,102,341.65, 307,888,708.18 and 123,987,266.55 is: 171,106,582.95
Step by Step Solution
- Step 1: Write the proportion equation
223,102,341.65 : 307,888,708.18 = 123,987,266.55 : x - Step 2: Convert to fraction form
223,102,341.65/307,888,708.18 = 123,987,266.55/x - Step 3: Cross multiply
223,102,341.65x = 307,888,708.18 × 123,987,266.55 - Step 4: Simplify right side
223,102,341.65x = 38,174,279,328,848,824 - Step 5: Solve for x
x = 38,174,279,328,848,824/223,102,341.65 - Step 6: Final answer
x = 171,106,582.95
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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.