Finding the Fourth Proportional to 75,082,647.12, 103,614,053.04 and 40,743,831.12
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Solution
The fourth proportional to 75,082,647.12, 103,614,053.04 and 40,743,831.12 is: 56,226,486.95
Step by Step Solution
- Step 1: Write the proportion equation
75,082,647.12 : 103,614,053.04 = 40,743,831.12 : x - Step 2: Convert to fraction form
75,082,647.12/103,614,053.04 = 40,743,831.12/x - Step 3: Cross multiply
75,082,647.12x = 103,614,053.04 × 40,743,831.12 - Step 4: Simplify right side
75,082,647.12x = 4,221,633,478,720,482.50 - Step 5: Solve for x
x = 4,221,633,478,720,482.50/75,082,647.12 - Step 6: Final answer
x = 56,226,486.95
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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.