Finding the Fourth Proportional to 257,577,991.36, 355,425,333.42 and 174,127,699.24
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Solution
The fourth proportional to 257,577,991.36, 355,425,333.42 and 174,127,699.24 is: 240,274,393.14
Step by Step Solution
- Step 1: Write the proportion equation
257,577,991.36 : 355,425,333.42 = 174,127,699.24 : x - Step 2: Convert to fraction form
257,577,991.36/355,425,333.42 = 174,127,699.24/x - Step 3: Cross multiply
257,577,991.36x = 355,425,333.42 × 174,127,699.24 - Step 4: Simplify right side
257,577,991.36x = 61,889,395,560,034,488 - Step 5: Solve for x
x = 61,889,395,560,034,488/257,577,991.36 - Step 6: Final answer
x = 240,274,393.14
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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.