Finding the Fourth Proportional to 172,640,627.80, 258,960,941.70 and 44,989,811.80
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Solution
The fourth proportional to 172,640,627.80, 258,960,941.70 and 44,989,811.80 is: 67,484,717.70
Step by Step Solution
- Step 1: Write the proportion equation
172,640,627.80 : 258,960,941.70 = 44,989,811.80 : x - Step 2: Convert to fraction form
172,640,627.80/258,960,941.70 = 44,989,811.80/x - Step 3: Cross multiply
172,640,627.80x = 258,960,941.70 × 44,989,811.80 - Step 4: Simplify right side
172,640,627.80x = 11,650,604,030,633,770 - Step 5: Solve for x
x = 11,650,604,030,633,770/172,640,627.80 - Step 6: Final answer
x = 67,484,717.70
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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.