Finding the Fourth Proportional to 42,497,801.20, 63,746,701.80 and 39,096,578.80
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Solution
The fourth proportional to 42,497,801.20, 63,746,701.80 and 39,096,578.80 is: 58,644,868.20
Step by Step Solution
- Step 1: Write the proportion equation
42,497,801.20 : 63,746,701.80 = 39,096,578.80 : x - Step 2: Convert to fraction form
42,497,801.20/63,746,701.80 = 39,096,578.80/x - Step 3: Cross multiply
42,497,801.20x = 63,746,701.80 × 39,096,578.80 - Step 4: Simplify right side
42,497,801.20x = 2,492,277,950,163,801.50 - Step 5: Solve for x
x = 2,492,277,950,163,801.50/42,497,801.20 - Step 6: Final answer
x = 58,644,868.20
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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.