Finding the Fourth Proportional to 42,297,019.97, 63,432,614.09 and 29,250,302.58
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Solution
The fourth proportional to 42,297,019.97, 63,432,614.09 and 29,250,302.58 is: 43,866,521.97
Step by Step Solution
- Step 1: Write the proportion equation
42,297,019.97 : 63,432,614.09 = 29,250,302.58 : x - Step 2: Convert to fraction form
42,297,019.97/63,432,614.09 = 29,250,302.58/x - Step 3: Cross multiply
42,297,019.97x = 63,432,614.09 × 29,250,302.58 - Step 4: Simplify right side
42,297,019.97x = 1,855,423,155,645,997 - Step 5: Solve for x
x = 1,855,423,155,645,997/42,297,019.97 - Step 6: Final answer
x = 43,866,521.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.