Finding the Fourth Proportional to 141,379,817.80, 212,069,726.70 and 73,355,369.80
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Solution
The fourth proportional to 141,379,817.80, 212,069,726.70 and 73,355,369.80 is: 110,033,054.70
Step by Step Solution
- Step 1: Write the proportion equation
141,379,817.80 : 212,069,726.70 = 73,355,369.80 : x - Step 2: Convert to fraction form
141,379,817.80/212,069,726.70 = 73,355,369.80/x - Step 3: Cross multiply
141,379,817.80x = 212,069,726.70 × 73,355,369.80 - Step 4: Simplify right side
141,379,817.80x = 15,556,453,225,463,432 - Step 5: Solve for x
x = 15,556,453,225,463,432/141,379,817.80 - Step 6: Final answer
x = 110,033,054.70
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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.