Finding the Fourth Proportional to 156,782,711.69, 235,158,860.58 and 47,608,827.17
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Solution
The fourth proportional to 156,782,711.69, 235,158,860.58 and 47,608,827.17 is: 71,408,622.99
Step by Step Solution
- Step 1: Write the proportion equation
156,782,711.69 : 235,158,860.58 = 47,608,827.17 : x - Step 2: Convert to fraction form
156,782,711.69/235,158,860.58 = 47,608,827.17/x - Step 3: Cross multiply
156,782,711.69x = 235,158,860.58 × 47,608,827.17 - Step 4: Simplify right side
156,782,711.69x = 11,195,637,550,847,348 - Step 5: Solve for x
x = 11,195,637,550,847,348/156,782,711.69 - Step 6: Final answer
x = 71,408,622.99
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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.