Finding the Fourth Proportional to 153,400,661.07, 230,133,307.95 and 49,761,773.96
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Solution
The fourth proportional to 153,400,661.07, 230,133,307.95 and 49,761,773.96 is: 74,653,144.07
Step by Step Solution
- Step 1: Write the proportion equation
153,400,661.07 : 230,133,307.95 = 49,761,773.96 : x - Step 2: Convert to fraction form
153,400,661.07/230,133,307.95 = 49,761,773.96/x - Step 3: Cross multiply
153,400,661.07x = 230,133,307.95 × 49,761,773.96 - Step 4: Simplify right side
153,400,661.07x = 11,451,841,651,665,938 - Step 5: Solve for x
x = 11,451,841,651,665,938/153,400,661.07 - Step 6: Final answer
x = 74,653,144.07
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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.