Finding the Fourth Proportional to 79,921,803.30, 110,292,087.20 and 43,252,374.30
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Solution
The fourth proportional to 79,921,803.30, 110,292,087.20 and 43,252,374.30 is: 59,688,275.80
Step by Step Solution
- Step 1: Write the proportion equation
79,921,803.30 : 110,292,087.20 = 43,252,374.30 : x - Step 2: Convert to fraction form
79,921,803.30/110,292,087.20 = 43,252,374.30/x - Step 3: Cross multiply
79,921,803.30x = 110,292,087.20 × 43,252,374.30 - Step 4: Simplify right side
79,921,803.30x = 4,770,394,637,686,376 - Step 5: Solve for x
x = 4,770,394,637,686,376/79,921,803.30 - Step 6: Final answer
x = 59,688,275.80
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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.