Finding the Fourth Proportional to 122,472,006.90, 183,708,010.35 and 110,355,152.10
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Solution
The fourth proportional to 122,472,006.90, 183,708,010.35 and 110,355,152.10 is: 165,532,728.15
Step by Step Solution
- Step 1: Write the proportion equation
122,472,006.90 : 183,708,010.35 = 110,355,152.10 : x - Step 2: Convert to fraction form
122,472,006.90/183,708,010.35 = 110,355,152.10/x - Step 3: Cross multiply
122,472,006.90x = 183,708,010.35 × 110,355,152.10 - Step 4: Simplify right side
122,472,006.90x = 20,273,125,424,162,624 - Step 5: Solve for x
x = 20,273,125,424,162,624/122,472,006.90 - Step 6: Final answer
x = 165,532,728.15
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1.5x scale
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.