Finding the Fourth Proportional to 134,740,459.20, 202,205,167.20 and 86,336,025.60
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Solution
The fourth proportional to 134,740,459.20, 202,205,167.20 and 86,336,025.60 is: 129,564,576.19
Step by Step Solution
- Step 1: Write the proportion equation
134,740,459.20 : 202,205,167.20 = 86,336,025.60 : x - Step 2: Convert to fraction form
134,740,459.20/202,205,167.20 = 86,336,025.60/x - Step 3: Cross multiply
134,740,459.20x = 202,205,167.20 × 86,336,025.60 - Step 4: Simplify right side
134,740,459.20x = 17,457,590,491,831,478 - Step 5: Solve for x
x = 17,457,590,491,831,478/134,740,459.20 - Step 6: Final answer
x = 129,564,576.19
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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.