Finding the Fourth Proportional to 134,740,518.20, 202,205,255.70 and 86,336,084.60
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Solution
The fourth proportional to 134,740,518.20, 202,205,255.70 and 86,336,084.60 is: 129,564,664.70
Step by Step Solution
- Step 1: Write the proportion equation
134,740,518.20 : 202,205,255.70 = 86,336,084.60 : x - Step 2: Convert to fraction form
134,740,518.20/202,205,255.70 = 86,336,084.60/x - Step 3: Cross multiply
134,740,518.20x = 202,205,255.70 × 86,336,084.60 - Step 4: Simplify right side
134,740,518.20x = 17,457,610,062,679,830 - Step 5: Solve for x
x = 17,457,610,062,679,830/134,740,518.20 - Step 6: Final answer
x = 129,564,664.70
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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.