Finding the Fourth Proportional to 125,064,193.80, 187,764,252.30 and 79,826,536.20
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Solution
The fourth proportional to 125,064,193.80, 187,764,252.30 and 79,826,536.20 is: 119,847,011.59
Step by Step Solution
- Step 1: Write the proportion equation
125,064,193.80 : 187,764,252.30 = 79,826,536.20 : x - Step 2: Convert to fraction form
125,064,193.80/187,764,252.30 = 79,826,536.20/x - Step 3: Cross multiply
125,064,193.80x = 187,764,252.30 × 79,826,536.20 - Step 4: Simplify right side
125,064,193.80x = 14,988,569,883,291,884 - Step 5: Solve for x
x = 14,988,569,883,291,884/125,064,193.80 - Step 6: Final answer
x = 119,847,011.59
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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.