Finding the Fourth Proportional to 121,261,701.60, 181,919,124.45 and 59,880,266.10
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Solution
The fourth proportional to 121,261,701.60, 181,919,124.45 and 59,880,266.10 is: 89,833,520.70
Step by Step Solution
- Step 1: Write the proportion equation
121,261,701.60 : 181,919,124.45 = 59,880,266.10 : x - Step 2: Convert to fraction form
121,261,701.60/181,919,124.45 = 59,880,266.10/x - Step 3: Cross multiply
121,261,701.60x = 181,919,124.45 × 59,880,266.10 - Step 4: Simplify right side
121,261,701.60x = 10,893,365,580,745,016 - Step 5: Solve for x
x = 10,893,365,580,745,016/121,261,701.60 - Step 6: Final answer
x = 89,833,520.70
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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.