Finding the Fourth Proportional to 278,131,720.11, 416,880,217.95 and 112,028,911.84
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Solution
The fourth proportional to 278,131,720.11, 416,880,217.95 and 112,028,911.84 is: 167,915,537.17
Step by Step Solution
- Step 1: Write the proportion equation
278,131,720.11 : 416,880,217.95 = 112,028,911.84 : x - Step 2: Convert to fraction form
278,131,720.11/416,880,217.95 = 112,028,911.84/x - Step 3: Cross multiply
278,131,720.11x = 416,880,217.95 × 112,028,911.84 - Step 4: Simplify right side
278,131,720.11x = 46,702,637,184,560,536 - Step 5: Solve for x
x = 46,702,637,184,560,536/278,131,720.11 - Step 6: Final answer
x = 167,915,537.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.