Finding the Fourth Proportional to 107,563,861.05, 161,423,513.91 and 42,830,359.62
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Solution
The fourth proportional to 107,563,861.05, 161,423,513.91 and 42,830,359.62 is: 64,276,487.33
Step by Step Solution
- Step 1: Write the proportion equation
107,563,861.05 : 161,423,513.91 = 42,830,359.62 : x - Step 2: Convert to fraction form
107,563,861.05/161,423,513.91 = 42,830,359.62/x - Step 3: Cross multiply
107,563,861.05x = 161,423,513.91 × 42,830,359.62 - Step 4: Simplify right side
107,563,861.05x = 6,913,827,151,889,372 - Step 5: Solve for x
x = 6,913,827,151,889,372/107,563,861.05 - Step 6: Final answer
x = 64,276,487.33
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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.