Finding the Fourth Proportional to 302,662,621.80, 453,993,932.70 and 149,607,613.80
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Solution
The fourth proportional to 302,662,621.80, 453,993,932.70 and 149,607,613.80 is: 224,411,420.70
Step by Step Solution
- Step 1: Write the proportion equation
302,662,621.80 : 453,993,932.70 = 149,607,613.80 : x - Step 2: Convert to fraction form
302,662,621.80/453,993,932.70 = 149,607,613.80/x - Step 3: Cross multiply
302,662,621.80x = 453,993,932.70 × 149,607,613.80 - Step 4: Simplify right side
302,662,621.80x = 67,920,948,950,924,792 - Step 5: Solve for x
x = 67,920,948,950,924,792/302,662,621.80 - Step 6: Final answer
x = 224,411,420.70
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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.