Finding the Fourth Proportional to 120,744,829.80, 181,117,244.70 and 39,965,797.80
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Solution
The fourth proportional to 120,744,829.80, 181,117,244.70 and 39,965,797.80 is: 59,948,696.70
Step by Step Solution
- Step 1: Write the proportion equation
120,744,829.80 : 181,117,244.70 = 39,965,797.80 : x - Step 2: Convert to fraction form
120,744,829.80/181,117,244.70 = 39,965,797.80/x - Step 3: Cross multiply
120,744,829.80x = 181,117,244.70 × 39,965,797.80 - Step 4: Simplify right side
120,744,829.80x = 7,238,495,179,773,321 - Step 5: Solve for x
x = 7,238,495,179,773,321/120,744,829.80 - Step 6: Final answer
x = 59,948,696.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.