Finding the Fourth Proportional to 156,782,712.19, 235,158,861.33 and 47,608,827.67
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Solution
The fourth proportional to 156,782,712.19, 235,158,861.33 and 47,608,827.67 is: 71,408,623.74
Step by Step Solution
- Step 1: Write the proportion equation
156,782,712.19 : 235,158,861.33 = 47,608,827.67 : x - Step 2: Convert to fraction form
156,782,712.19/235,158,861.33 = 47,608,827.67/x - Step 3: Cross multiply
156,782,712.19x = 235,158,861.33 × 47,608,827.67 - Step 4: Simplify right side
156,782,712.19x = 11,195,637,704,133,398 - Step 5: Solve for x
x = 11,195,637,704,133,398/156,782,712.19 - Step 6: Final answer
x = 71,408,623.74
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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.