Finding the Fourth Proportional to 145,244,385.45, 200,347,698.65 and 88,702,605.99
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Solution
The fourth proportional to 145,244,385.45, 200,347,698.65 and 88,702,605.99 is: 122,354,904.93
Step by Step Solution
- Step 1: Write the proportion equation
145,244,385.45 : 200,347,698.65 = 88,702,605.99 : x - Step 2: Convert to fraction form
145,244,385.45/200,347,698.65 = 88,702,605.99/x - Step 3: Cross multiply
145,244,385.45x = 200,347,698.65 × 88,702,605.99 - Step 4: Simplify right side
145,244,385.45x = 17,771,362,973,910,692 - Step 5: Solve for x
x = 17,771,362,973,910,692/145,244,385.45 - Step 6: Final answer
x = 122,354,904.93
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1.5x scale
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.