Finding the Fourth Proportional to 79,914,919.68, 110,282,686.65 and 43,245,490.68
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Solution
The fourth proportional to 79,914,919.68, 110,282,686.65 and 43,245,490.68 is: 59,678,829.90
Step by Step Solution
- Step 1: Write the proportion equation
79,914,919.68 : 110,282,686.65 = 43,245,490.68 : x - Step 2: Convert to fraction form
79,914,919.68/110,282,686.65 = 43,245,490.68/x - Step 3: Cross multiply
79,914,919.68x = 110,282,686.65 × 43,245,490.68 - Step 4: Simplify right side
79,914,919.68x = 4,769,228,897,687,936 - Step 5: Solve for x
x = 4,769,228,897,687,936/79,914,919.68 - Step 6: Final answer
x = 59,678,829.90
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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.