Finding the Fourth Proportional to 316,955,557.88, 437,213,358.88 and 199,294,607.96
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Solution
The fourth proportional to 316,955,557.88, 437,213,358.88 and 199,294,607.96 is: 274,910,039.55
Step by Step Solution
- Step 1: Write the proportion equation
316,955,557.88 : 437,213,358.88 = 199,294,607.96 : x - Step 2: Convert to fraction form
316,955,557.88/437,213,358.88 = 199,294,607.96/x - Step 3: Cross multiply
316,955,557.88x = 437,213,358.88 × 199,294,607.96 - Step 4: Simplify right side
316,955,557.88x = 87,134,264,950,180,080 - Step 5: Solve for x
x = 87,134,264,950,180,080/316,955,557.88 - Step 6: Final answer
x = 274,910,039.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.