Finding the Fourth Proportional to 79,893,900.40, 110,329,727.87 and 75,541,336.08
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Solution
The fourth proportional to 79,893,900.40, 110,329,727.87 and 75,541,336.08 is: 104,319,040.76
Step by Step Solution
- Step 1: Write the proportion equation
79,893,900.40 : 110,329,727.87 = 75,541,336.08 : x - Step 2: Convert to fraction form
79,893,900.40/110,329,727.87 = 75,541,336.08/x - Step 3: Cross multiply
79,893,900.40x = 110,329,727.87 × 75,541,336.08 - Step 4: Simplify right side
79,893,900.40x = 8,334,455,052,366,789 - Step 5: Solve for x
x = 8,334,455,052,366,789/79,893,900.40 - Step 6: Final answer
x = 104,319,040.76
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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.