Finding the Fourth Proportional to 266,974,625.09, 368,424,929.42 and 147,904,954.65
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Solution
The fourth proportional to 266,974,625.09, 368,424,929.42 and 147,904,954.65 is: 204,108,807.95
Step by Step Solution
- Step 1: Write the proportion equation
266,974,625.09 : 368,424,929.42 = 147,904,954.65 : x - Step 2: Convert to fraction form
266,974,625.09/368,424,929.42 = 147,904,954.65/x - Step 3: Cross multiply
266,974,625.09x = 368,424,929.42 × 147,904,954.65 - Step 4: Simplify right side
266,974,625.09x = 54,491,872,478,164,320 - Step 5: Solve for x
x = 54,491,872,478,164,320/266,974,625.09 - Step 6: Final answer
x = 204,108,807.95
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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.