Finding the Fourth Proportional to 122,493,652.20, 183,740,478.30 and 105,865,453.80
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Solution
The fourth proportional to 122,493,652.20, 183,740,478.30 and 105,865,453.80 is: 158,798,180.70
Step by Step Solution
- Step 1: Write the proportion equation
122,493,652.20 : 183,740,478.30 = 105,865,453.80 : x - Step 2: Convert to fraction form
122,493,652.20/183,740,478.30 = 105,865,453.80/x - Step 3: Cross multiply
122,493,652.20x = 183,740,478.30 × 105,865,453.80 - Step 4: Simplify right side
122,493,652.20x = 19,451,769,116,658,552 - Step 5: Solve for x
x = 19,451,769,116,658,552/122,493,652.20 - Step 6: Final answer
x = 158,798,180.70
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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.