Finding the Fourth Proportional to 147,569,190.12, 221,205,646.17 and 50,458,483.98
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Solution
The fourth proportional to 147,569,190.12, 221,205,646.17 and 50,458,483.98 is: 75,637,072.65
Step by Step Solution
- Step 1: Write the proportion equation
147,569,190.12 : 221,205,646.17 = 50,458,483.98 : x - Step 2: Convert to fraction form
147,569,190.12/221,205,646.17 = 50,458,483.98/x - Step 3: Cross multiply
147,569,190.12x = 221,205,646.17 × 50,458,483.98 - Step 4: Simplify right side
147,569,190.12x = 11,161,701,553,554,492 - Step 5: Solve for x
x = 11,161,701,553,554,492/147,569,190.12 - Step 6: Final answer
x = 75,637,072.65
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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.