Finding the Fourth Proportional to 54,266,953.84, 81,413,021.50 and 17,874,038.18
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Solution
The fourth proportional to 54,266,953.84, 81,413,021.50 and 17,874,038.18 is: 26,815,204.32
Step by Step Solution
- Step 1: Write the proportion equation
54,266,953.84 : 81,413,021.50 = 17,874,038.18 : x - Step 2: Convert to fraction form
54,266,953.84/81,413,021.50 = 17,874,038.18/x - Step 3: Cross multiply
54,266,953.84x = 81,413,021.50 × 17,874,038.18 - Step 4: Simplify right side
54,266,953.84x = 1,455,179,454,799,008.50 - Step 5: Solve for x
x = 1,455,179,454,799,008.50/54,266,953.84 - Step 6: Final answer
x = 26,815,204.32
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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.