Finding the Fourth Proportional to 211,869,167.30, 317,803,750.95 and 109,664,533.70
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Solution
The fourth proportional to 211,869,167.30, 317,803,750.95 and 109,664,533.70 is: 164,496,800.55
Step by Step Solution
- Step 1: Write the proportion equation
211,869,167.30 : 317,803,750.95 = 109,664,533.70 : x - Step 2: Convert to fraction form
211,869,167.30/317,803,750.95 = 109,664,533.70/x - Step 3: Cross multiply
211,869,167.30x = 317,803,750.95 × 109,664,533.70 - Step 4: Simplify right side
211,869,167.30x = 34,851,800,156,042,680 - Step 5: Solve for x
x = 34,851,800,156,042,680/211,869,167.30 - Step 6: Final answer
x = 164,496,800.55
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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.