Finding the Fourth Proportional to 124,631,482.41, 171,982,435.14 and 68,876,235.63
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Solution
The fourth proportional to 124,631,482.41, 171,982,435.14 and 68,876,235.63 is: 95,044,225.57
Step by Step Solution
- Step 1: Write the proportion equation
124,631,482.41 : 171,982,435.14 = 68,876,235.63 : x - Step 2: Convert to fraction form
124,631,482.41/171,982,435.14 = 68,876,235.63/x - Step 3: Cross multiply
124,631,482.41x = 171,982,435.14 × 68,876,235.63 - Step 4: Simplify right side
124,631,482.41x = 11,845,502,726,923,830 - Step 5: Solve for x
x = 11,845,502,726,923,830/124,631,482.41 - Step 6: Final answer
x = 95,044,225.57
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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.