Finding the Fourth Proportional to 122,328,014.30, 183,492,021.45 and 67,908,455.90
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Solution
The fourth proportional to 122,328,014.30, 183,492,021.45 and 67,908,455.90 is: 101,862,683.85
Step by Step Solution
- Step 1: Write the proportion equation
122,328,014.30 : 183,492,021.45 = 67,908,455.90 : x - Step 2: Convert to fraction form
122,328,014.30/183,492,021.45 = 67,908,455.90/x - Step 3: Cross multiply
122,328,014.30x = 183,492,021.45 × 67,908,455.90 - Step 4: Simplify right side
122,328,014.30x = 12,460,659,846,639,180 - Step 5: Solve for x
x = 12,460,659,846,639,180/122,328,014.30 - Step 6: Final answer
x = 101,862,683.85
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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.