Finding the Fourth Proportional to 93,118,497.71, 128,503,562.00 and 53,982,960.73
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Solution
The fourth proportional to 93,118,497.71, 128,503,562.00 and 53,982,960.73 is: 74,496,506.19
Step by Step Solution
- Step 1: Write the proportion equation
93,118,497.71 : 128,503,562.00 = 53,982,960.73 : x - Step 2: Convert to fraction form
93,118,497.71/128,503,562.00 = 53,982,960.73/x - Step 3: Cross multiply
93,118,497.71x = 128,503,562.00 × 53,982,960.73 - Step 4: Simplify right side
93,118,497.71x = 6,937,002,740,519,947 - Step 5: Solve for x
x = 6,937,002,740,519,947/93,118,497.71 - Step 6: Final answer
x = 74,496,506.19
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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.