Finding the Fourth Proportional to 54,243,141.23, 74,856,097.88 and 29,463,810.66
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Solution
The fourth proportional to 54,243,141.23, 74,856,097.88 and 29,463,810.66 is: 40,660,364.51
Step by Step Solution
- Step 1: Write the proportion equation
54,243,141.23 : 74,856,097.88 = 29,463,810.66 : x - Step 2: Convert to fraction form
54,243,141.23/74,856,097.88 = 29,463,810.66/x - Step 3: Cross multiply
54,243,141.23x = 74,856,097.88 × 29,463,810.66 - Step 4: Simplify right side
54,243,141.23x = 2,205,545,894,535,428.25 - Step 5: Solve for x
x = 2,205,545,894,535,428.25/54,243,141.23 - Step 6: Final answer
x = 40,660,364.51
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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.