Finding the Fourth Proportional to 92,544,455.48, 138,832,289.80 and 31,119,012.62
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Solution
The fourth proportional to 92,544,455.48, 138,832,289.80 and 31,119,012.62 is: 46,683,766.80
Step by Step Solution
- Step 1: Write the proportion equation
92,544,455.48 : 138,832,289.80 = 31,119,012.62 : x - Step 2: Convert to fraction form
92,544,455.48/138,832,289.80 = 31,119,012.62/x - Step 3: Cross multiply
92,544,455.48x = 138,832,289.80 × 31,119,012.62 - Step 4: Simplify right side
92,544,455.48x = 4,320,323,778,349,698 - Step 5: Solve for x
x = 4,320,323,778,349,698/92,544,455.48 - Step 6: Final answer
x = 46,683,766.80
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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.