Finding the Fourth Proportional to 211,574,798.88, 291,970,307.88 and 118,753,620
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Solution
The fourth proportional to 211,574,798.88, 291,970,307.88 and 118,753,620 is: 163,878,359.70
Step by Step Solution
- Step 1: Write the proportion equation
211,574,798.88 : 291,970,307.88 = 118,753,620 : x - Step 2: Convert to fraction form
211,574,798.88/291,970,307.88 = 118,753,620/x - Step 3: Cross multiply
211,574,798.88x = 291,970,307.88 × 118,753,620 - Step 4: Simplify right side
211,574,798.88x = 34,672,530,993,264,524 - Step 5: Solve for x
x = 34,672,530,993,264,524/211,574,798.88 - Step 6: Final answer
x = 163,878,359.70
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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.