Finding the Fourth Proportional to 122,235,256.80, 183,352,885.20 and 73,688,121.45
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Solution
The fourth proportional to 122,235,256.80, 183,352,885.20 and 73,688,121.45 is: 110,532,182.18
Step by Step Solution
- Step 1: Write the proportion equation
122,235,256.80 : 183,352,885.20 = 73,688,121.45 : x - Step 2: Convert to fraction form
122,235,256.80/183,352,885.20 = 73,688,121.45/x - Step 3: Cross multiply
122,235,256.80x = 183,352,885.20 × 73,688,121.45 - Step 4: Simplify right side
122,235,256.80x = 13,510,929,672,825,508 - Step 5: Solve for x
x = 13,510,929,672,825,508/122,235,256.80 - Step 6: Final answer
x = 110,532,182.18
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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.