Finding the Fourth Proportional to 80,762,184.80, 121,143,277.20 and 29,680,863.20
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Solution
The fourth proportional to 80,762,184.80, 121,143,277.20 and 29,680,863.20 is: 44,521,294.80
Step by Step Solution
- Step 1: Write the proportion equation
80,762,184.80 : 121,143,277.20 = 29,680,863.20 : x - Step 2: Convert to fraction form
80,762,184.80/121,143,277.20 = 29,680,863.20/x - Step 3: Cross multiply
80,762,184.80x = 121,143,277.20 × 29,680,863.20 - Step 4: Simplify right side
80,762,184.80x = 3,595,637,038,172,879 - Step 5: Solve for x
x = 3,595,637,038,172,879/80,762,184.80 - Step 6: Final answer
x = 44,521,294.80
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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.