Finding the Fourth Proportional to 69,984,152.60, 104,976,228.90 and 44,286,027.80
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Solution
The fourth proportional to 69,984,152.60, 104,976,228.90 and 44,286,027.80 is: 66,429,041.70
Step by Step Solution
- Step 1: Write the proportion equation
69,984,152.60 : 104,976,228.90 = 44,286,027.80 : x - Step 2: Convert to fraction form
69,984,152.60/104,976,228.90 = 44,286,027.80/x - Step 3: Cross multiply
69,984,152.60x = 104,976,228.90 × 44,286,027.80 - Step 4: Simplify right side
69,984,152.60x = 4,648,980,191,404,563 - Step 5: Solve for x
x = 4,648,980,191,404,563/69,984,152.60 - Step 6: Final answer
x = 66,429,041.70
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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.