Finding the Fourth Proportional to 234,349,206.88, 351,277,739.80 and 78,849,033.10
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Solution
The fourth proportional to 234,349,206.88, 351,277,739.80 and 78,849,033.10 is: 118,190,756.87
Step by Step Solution
- Step 1: Write the proportion equation
234,349,206.88 : 351,277,739.80 = 78,849,033.10 : x - Step 2: Convert to fraction form
234,349,206.88/351,277,739.80 = 78,849,033.10/x - Step 3: Cross multiply
234,349,206.88x = 351,277,739.80 × 78,849,033.10 - Step 4: Simplify right side
234,349,206.88x = 27,697,910,132,783,388 - Step 5: Solve for x
x = 27,697,910,132,783,388/234,349,206.88 - Step 6: Final answer
x = 118,190,756.87
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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.