Finding the Fourth Proportional to 75,609,530.60, 113,339,646.30 and 37,239,636.20
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Solution
The fourth proportional to 75,609,530.60, 113,339,646.30 and 37,239,636.20 is: 55,822,687.45
Step by Step Solution
- Step 1: Write the proportion equation
75,609,530.60 : 113,339,646.30 = 37,239,636.20 : x - Step 2: Convert to fraction form
75,609,530.60/113,339,646.30 = 37,239,636.20/x - Step 3: Cross multiply
75,609,530.60x = 113,339,646.30 × 37,239,636.20 - Step 4: Simplify right side
75,609,530.60x = 4,220,727,195,248,676.50 - Step 5: Solve for x
x = 4,220,727,195,248,676.50/75,609,530.60 - Step 6: Final answer
x = 55,822,687.45
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1.5x scale
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.