Finding the Fourth Proportional to 202,261,498.24, 279,072,326.64 and 122,874,972.88
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Solution
The fourth proportional to 202,261,498.24, 279,072,326.64 and 122,874,972.88 is: 169,537,973.69
Step by Step Solution
- Step 1: Write the proportion equation
202,261,498.24 : 279,072,326.64 = 122,874,972.88 : x - Step 2: Convert to fraction form
202,261,498.24/279,072,326.64 = 122,874,972.88/x - Step 3: Cross multiply
202,261,498.24x = 279,072,326.64 × 122,874,972.88 - Step 4: Simplify right side
202,261,498.24x = 34,291,004,567,448,500 - Step 5: Solve for x
x = 34,291,004,567,448,500/202,261,498.24 - Step 6: Final answer
x = 169,537,973.69
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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.