Finding the Fourth Proportional to 343,875,403.98, 474,546,036.21 and 187,242,135.93
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Solution
The fourth proportional to 343,875,403.98, 474,546,036.21 and 187,242,135.93 is: 258,393,046.98
Step by Step Solution
- Step 1: Write the proportion equation
343,875,403.98 : 474,546,036.21 = 187,242,135.93 : x - Step 2: Convert to fraction form
343,875,403.98/474,546,036.21 = 187,242,135.93/x - Step 3: Cross multiply
343,875,403.98x = 474,546,036.21 × 187,242,135.93 - Step 4: Simplify right side
343,875,403.98x = 88,855,013,417,075,520 - Step 5: Solve for x
x = 88,855,013,417,075,520/343,875,403.98 - Step 6: Final answer
x = 258,393,046.98
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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.