Finding the Fourth Proportional to 117,713,409.04, 162,352,477.56 and 76,473,588.88
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Solution
The fourth proportional to 117,713,409.04, 162,352,477.56 and 76,473,588.88 is: 105,473,766.53
Step by Step Solution
- Step 1: Write the proportion equation
117,713,409.04 : 162,352,477.56 = 76,473,588.88 : x - Step 2: Convert to fraction form
117,713,409.04/162,352,477.56 = 76,473,588.88/x - Step 3: Cross multiply
117,713,409.04x = 162,352,477.56 × 76,473,588.88 - Step 4: Simplify right side
117,713,409.04x = 12,415,676,622,572,864 - Step 5: Solve for x
x = 12,415,676,622,572,864/117,713,409.04 - Step 6: Final answer
x = 105,473,766.53
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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.