Finding the Fourth Proportional to 75,055,789.68, 112,656,307.80 and 36,221,579.28
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Solution
The fourth proportional to 75,055,789.68, 112,656,307.80 and 36,221,579.28 is: 54,367,416.58
Step by Step Solution
- Step 1: Write the proportion equation
75,055,789.68 : 112,656,307.80 = 36,221,579.28 : x - Step 2: Convert to fraction form
75,055,789.68/112,656,307.80 = 36,221,579.28/x - Step 3: Cross multiply
75,055,789.68x = 112,656,307.80 × 36,221,579.28 - Step 4: Simplify right side
75,055,789.68x = 4,080,589,384,369,782.50 - Step 5: Solve for x
x = 4,080,589,384,369,782.50/75,055,789.68 - Step 6: Final answer
x = 54,367,416.58
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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.