Finding the Fourth Proportional to 79,657,430.20, 119,486,145.30 and 54,998,567.80
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Solution
The fourth proportional to 79,657,430.20, 119,486,145.30 and 54,998,567.80 is: 82,497,851.70
Step by Step Solution
- Step 1: Write the proportion equation
79,657,430.20 : 119,486,145.30 = 54,998,567.80 : x - Step 2: Convert to fraction form
79,657,430.20/119,486,145.30 = 54,998,567.80/x - Step 3: Cross multiply
79,657,430.20x = 119,486,145.30 × 54,998,567.80 - Step 4: Simplify right side
79,657,430.20x = 6,571,566,863,442,701 - Step 5: Solve for x
x = 6,571,566,863,442,701/79,657,430.20 - Step 6: Final answer
x = 82,497,851.70
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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.