Finding the Fourth Proportional to 141,368,118.30, 212,052,177.45 and 73,343,670.30
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Solution
The fourth proportional to 141,368,118.30, 212,052,177.45 and 73,343,670.30 is: 110,015,505.45
Step by Step Solution
- Step 1: Write the proportion equation
141,368,118.30 : 212,052,177.45 = 73,343,670.30 : x - Step 2: Convert to fraction form
141,368,118.30/212,052,177.45 = 73,343,670.30/x - Step 3: Cross multiply
141,368,118.30x = 212,052,177.45 × 73,343,670.30 - Step 4: Simplify right side
141,368,118.30x = 15,552,684,989,289,894 - Step 5: Solve for x
x = 15,552,684,989,289,894/141,368,118.30 - Step 6: Final answer
x = 110,015,505.45
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1.5x scale
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.