Finding the Fourth Proportional to 48,699,386.48, 67,206,240.94 and 27,791,002.79
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Solution
The fourth proportional to 48,699,386.48, 67,206,240.94 and 27,791,002.79 is: 38,352,204.50
Step by Step Solution
- Step 1: Write the proportion equation
48,699,386.48 : 67,206,240.94 = 27,791,002.79 : x - Step 2: Convert to fraction form
48,699,386.48/67,206,240.94 = 27,791,002.79/x - Step 3: Cross multiply
48,699,386.48x = 67,206,240.94 × 27,791,002.79 - Step 4: Simplify right side
48,699,386.48x = 1,867,728,829,468,952 - Step 5: Solve for x
x = 1,867,728,829,468,952/48,699,386.48 - Step 6: Final answer
x = 38,352,204.50
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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.