Finding the Fourth Proportional to 310,847,965.91, 429,007,808.84 and 176,918,445.17
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Solution
The fourth proportional to 310,847,965.91, 429,007,808.84 and 176,918,445.17 is: 244,168,863.33
Step by Step Solution
- Step 1: Write the proportion equation
310,847,965.91 : 429,007,808.84 = 176,918,445.17 : x - Step 2: Convert to fraction form
310,847,965.91/429,007,808.84 = 176,918,445.17/x - Step 3: Cross multiply
310,847,965.91x = 429,007,808.84 × 176,918,445.17 - Step 4: Simplify right side
310,847,965.91x = 75,899,394,504,340,528 - Step 5: Solve for x
x = 75,899,394,504,340,528/310,847,965.91 - Step 6: Final answer
x = 244,168,863.33
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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.