Finding the Fourth Proportional to 171,955,649.94, 257,973,322.13 and 49,135,567.02
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Solution
The fourth proportional to 171,955,649.94, 257,973,322.13 and 49,135,567.02 is: 73,714,736.70
Step by Step Solution
- Step 1: Write the proportion equation
171,955,649.94 : 257,973,322.13 = 49,135,567.02 : x - Step 2: Convert to fraction form
171,955,649.94/257,973,322.13 = 49,135,567.02/x - Step 3: Cross multiply
171,955,649.94x = 257,973,322.13 × 49,135,567.02 - Step 4: Simplify right side
171,955,649.94x = 12,675,665,458,644,988 - Step 5: Solve for x
x = 12,675,665,458,644,988/171,955,649.94 - Step 6: Final answer
x = 73,714,736.70
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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.