Finding the Fourth Proportional to 54,165,140.88, 74,748,039.30 and 29,385,327.66
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Solution
The fourth proportional to 54,165,140.88, 74,748,039.30 and 29,385,327.66 is: 40,551,830.77
Step by Step Solution
- Step 1: Write the proportion equation
54,165,140.88 : 74,748,039.30 = 29,385,327.66 : x - Step 2: Convert to fraction form
54,165,140.88/74,748,039.30 = 29,385,327.66/x - Step 3: Cross multiply
54,165,140.88x = 74,748,039.30 × 29,385,327.66 - Step 4: Simplify right side
54,165,140.88x = 2,196,495,626,773,057 - Step 5: Solve for x
x = 2,196,495,626,773,057/54,165,140.88 - Step 6: Final answer
x = 40,551,830.77
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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.