Finding the Fourth Proportional to 79,921,940.80, 110,292,276.90 and 43,252,511.80
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Solution
The fourth proportional to 79,921,940.80, 110,292,276.90 and 43,252,511.80 is: 59,688,465.52
Step by Step Solution
- Step 1: Write the proportion equation
79,921,940.80 : 110,292,276.90 = 43,252,511.80 : x - Step 2: Convert to fraction form
79,921,940.80/110,292,276.90 = 43,252,511.80/x - Step 3: Cross multiply
79,921,940.80x = 110,292,276.90 × 43,252,511.80 - Step 4: Simplify right side
79,921,940.80x = 4,770,418,008,066,117 - Step 5: Solve for x
x = 4,770,418,008,066,117/79,921,940.80 - Step 6: Final answer
x = 59,688,465.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.