Finding the Fourth Proportional to 134,165,770.20, 201,248,655.30 and 79,746,211.80
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Solution
The fourth proportional to 134,165,770.20, 201,248,655.30 and 79,746,211.80 is: 119,619,317.70
Step by Step Solution
- Step 1: Write the proportion equation
134,165,770.20 : 201,248,655.30 = 79,746,211.80 : x - Step 2: Convert to fraction form
134,165,770.20/201,248,655.30 = 79,746,211.80/x - Step 3: Cross multiply
134,165,770.20x = 201,248,655.30 × 79,746,211.80 - Step 4: Simplify right side
134,165,770.20x = 16,048,817,890,018,992 - Step 5: Solve for x
x = 16,048,817,890,018,992/134,165,770.20 - Step 6: Final answer
x = 119,619,317.70
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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.