Finding the Fourth Proportional to 97,925,363.30, 146,675,468.55 and 80,919,251.30
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Solution
The fourth proportional to 97,925,363.30, 146,675,468.55 and 80,919,251.30 is: 121,203,217.42
Step by Step Solution
- Step 1: Write the proportion equation
97,925,363.30 : 146,675,468.55 = 80,919,251.30 : x - Step 2: Convert to fraction form
97,925,363.30/146,675,468.55 = 80,919,251.30/x - Step 3: Cross multiply
97,925,363.30x = 146,675,468.55 × 80,919,251.30 - Step 4: Simplify right side
97,925,363.30x = 11,868,869,099,142,698 - Step 5: Solve for x
x = 11,868,869,099,142,698/97,925,363.30 - Step 6: Final answer
x = 121,203,217.42
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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.