Finding the Fourth Proportional to 52,142,420.18, 78,213,630.58 and 27,807,621.98
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Solution
The fourth proportional to 52,142,420.18, 78,213,630.58 and 27,807,621.98 is: 41,711,433.12
Step by Step Solution
- Step 1: Write the proportion equation
52,142,420.18 : 78,213,630.58 = 27,807,621.98 : x - Step 2: Convert to fraction form
52,142,420.18/78,213,630.58 = 27,807,621.98/x - Step 3: Cross multiply
52,142,420.18x = 78,213,630.58 × 27,807,621.98 - Step 4: Simplify right side
52,142,420.18x = 2,174,935,072,391,421 - Step 5: Solve for x
x = 2,174,935,072,391,421/52,142,420.18 - Step 6: Final answer
x = 41,711,433.12
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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.