Finding the Fourth Proportional to 50,563,159.10, 69,779,135.70 and 28,537,420.40
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Solution
The fourth proportional to 50,563,159.10, 69,779,135.70 and 28,537,420.40 is: 39,382,755.47
Step by Step Solution
- Step 1: Write the proportion equation
50,563,159.10 : 69,779,135.70 = 28,537,420.40 : x - Step 2: Convert to fraction form
50,563,159.10/69,779,135.70 = 28,537,420.40/x - Step 3: Cross multiply
50,563,159.10x = 69,779,135.70 × 28,537,420.40 - Step 4: Simplify right side
50,563,159.10x = 1,991,316,530,619,548.25 - Step 5: Solve for x
x = 1,991,316,530,619,548.25/50,563,159.10 - Step 6: Final answer
x = 39,382,755.47
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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.