Finding the Fourth Proportional to 80,896,267.20, 121,344,400.80 and 29,767,706.40
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Solution
The fourth proportional to 80,896,267.20, 121,344,400.80 and 29,767,706.40 is: 44,651,559.60
Step by Step Solution
- Step 1: Write the proportion equation
80,896,267.20 : 121,344,400.80 = 29,767,706.40 : x - Step 2: Convert to fraction form
80,896,267.20/121,344,400.80 = 29,767,706.40/x - Step 3: Cross multiply
80,896,267.20x = 121,344,400.80 × 29,767,706.40 - Step 4: Simplify right side
80,896,267.20x = 3,612,144,496,298,325 - Step 5: Solve for x
x = 3,612,144,496,298,325/80,896,267.20 - Step 6: Final answer
x = 44,651,559.60
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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.