Finding the Fourth Proportional to 79,071,703.20, 109,118,109.15 and 44,264,679.66
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Solution
The fourth proportional to 79,071,703.20, 109,118,109.15 and 44,264,679.66 is: 61,084,786.99
Step by Step Solution
- Step 1: Write the proportion equation
79,071,703.20 : 109,118,109.15 = 44,264,679.66 : x - Step 2: Convert to fraction form
79,071,703.20/109,118,109.15 = 44,264,679.66/x - Step 3: Cross multiply
79,071,703.20x = 109,118,109.15 × 44,264,679.66 - Step 4: Simplify right side
79,071,703.20x = 4,830,078,146,629,665 - Step 5: Solve for x
x = 4,830,078,146,629,665/79,071,703.20 - Step 6: Final answer
x = 61,084,786.99
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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.