Finding the Fourth Proportional to 66,110,701.05, 91,231,605.68 and 36,742,032.09
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Solution
The fourth proportional to 66,110,701.05, 91,231,605.68 and 36,742,032.09 is: 50,703,358.61
Step by Step Solution
- Step 1: Write the proportion equation
66,110,701.05 : 91,231,605.68 = 36,742,032.09 : x - Step 2: Convert to fraction form
66,110,701.05/91,231,605.68 = 36,742,032.09/x - Step 3: Cross multiply
66,110,701.05x = 91,231,605.68 × 36,742,032.09 - Step 4: Simplify right side
66,110,701.05x = 3,352,034,583,333,076.50 - Step 5: Solve for x
x = 3,352,034,583,333,076.50/66,110,701.05 - Step 6: Final answer
x = 50,703,358.61
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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.