Finding the Fourth Proportional to 61,567,475.68, 84,926,097.84 and 40,659,700.64
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Solution
The fourth proportional to 61,567,475.68, 84,926,097.84 and 40,659,700.64 is: 56,085,939.48
Step by Step Solution
- Step 1: Write the proportion equation
61,567,475.68 : 84,926,097.84 = 40,659,700.64 : x - Step 2: Convert to fraction form
61,567,475.68/84,926,097.84 = 40,659,700.64/x - Step 3: Cross multiply
61,567,475.68x = 84,926,097.84 × 40,659,700.64 - Step 4: Simplify right side
61,567,475.68x = 3,453,069,714,697,751 - Step 5: Solve for x
x = 3,453,069,714,697,751/61,567,475.68 - Step 6: Final answer
x = 56,085,939.48
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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.