Finding the Fourth Proportional to 54,316,571.93, 74,958,840.39 and 31,116,182.93
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Solution
The fourth proportional to 54,316,571.93, 74,958,840.39 and 31,116,182.93 is: 42,941,461.63
Step by Step Solution
- Step 1: Write the proportion equation
54,316,571.93 : 74,958,840.39 = 31,116,182.93 : x - Step 2: Convert to fraction form
54,316,571.93/74,958,840.39 = 31,116,182.93/x - Step 3: Cross multiply
54,316,571.93x = 74,958,840.39 × 31,116,182.93 - Step 4: Simplify right side
54,316,571.93x = 2,332,432,989,265,537.50 - Step 5: Solve for x
x = 2,332,432,989,265,537.50/54,316,571.93 - Step 6: Final answer
x = 42,941,461.63
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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.