Finding the Fourth Proportional to 83,037,808.20, 124,556,712.30 and 48,458,713.80
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Solution
The fourth proportional to 83,037,808.20, 124,556,712.30 and 48,458,713.80 is: 72,688,070.70
Step by Step Solution
- Step 1: Write the proportion equation
83,037,808.20 : 124,556,712.30 = 48,458,713.80 : x - Step 2: Convert to fraction form
83,037,808.20/124,556,712.30 = 48,458,713.80/x - Step 3: Cross multiply
83,037,808.20x = 124,556,712.30 × 48,458,713.80 - Step 4: Simplify right side
83,037,808.20x = 6,035,858,073,214,639 - Step 5: Solve for x
x = 6,035,858,073,214,639/83,037,808.20 - Step 6: Final answer
x = 72,688,070.70
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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.