Finding the Fourth Proportional to 103,683,020.16, 143,086,911.98 and 59,630,048.99
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Solution
The fourth proportional to 103,683,020.16, 143,086,911.98 and 59,630,048.99 is: 82,291,966.00
Step by Step Solution
- Step 1: Write the proportion equation
103,683,020.16 : 143,086,911.98 = 59,630,048.99 : x - Step 2: Convert to fraction form
103,683,020.16/143,086,911.98 = 59,630,048.99/x - Step 3: Cross multiply
103,683,020.16x = 143,086,911.98 × 59,630,048.99 - Step 4: Simplify right side
103,683,020.16x = 8,532,279,570,181,633 - Step 5: Solve for x
x = 8,532,279,570,181,633/103,683,020.16 - Step 6: Final answer
x = 82,291,966.00
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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.