Finding the Fourth Proportional to 302,208,439.20, 453,312,658.80 and 97,757,181.60
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Solution
The fourth proportional to 302,208,439.20, 453,312,658.80 and 97,757,181.60 is: 146,635,772.40
Step by Step Solution
- Step 1: Write the proportion equation
302,208,439.20 : 453,312,658.80 = 97,757,181.60 : x - Step 2: Convert to fraction form
302,208,439.20/453,312,658.80 = 97,757,181.60/x - Step 3: Cross multiply
302,208,439.20x = 453,312,658.80 × 97,757,181.60 - Step 4: Simplify right side
302,208,439.20x = 44,314,567,907,890,440 - Step 5: Solve for x
x = 44,314,567,907,890,440/302,208,439.20 - Step 6: Final answer
x = 146,635,772.40
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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.